Merge pull request kubernetes#52514 from xiangpengzhao/remove-none-note

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>..

Release note should not be NONE or similar things.

**What this PR does / why we need it**:
Some release notes are `None` or other similar things. They're meaningless in CHANGELOG.

ref: kubernetes/test-infra#4341 kubernetes/test-infra#4295 kubernetes/test-infra#3295

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:
Hope bot can check such case in the future.

cc @cjwagner 

**Release note**:

```release-note
NONE
```

CHANGELOG.md

@@ -475,7 +475,6 @@ filename | sha256 hash
 * Add IPBlock to Network Policy ([#50033](https://github.com/kubernetes/kubernetes/pull/50033), [@cmluciano](https://github.com/cmluciano))
 * Adding Italian translation for kubectl ([#50155](https://github.com/kubernetes/kubernetes/pull/50155), [@lucab85](https://github.com/lucab85))
 * Simplify capabilities handling in FlexVolume. ([#51169](https://github.com/kubernetes/kubernetes/pull/51169), [@MikaelCluseau](https://github.com/MikaelCluseau))
-* NONE ([#50669](https://github.com/kubernetes/kubernetes/pull/50669), [@jiulongzaitian](https://github.com/jiulongzaitian))
 * cloudprovider.Zones should support external cloud providers ([#50858](https://github.com/kubernetes/kubernetes/pull/50858), [@andrewsykim](https://github.com/andrewsykim))
 * Finalizers are now honored on custom resources, and on other resources even when garbage collection is disabled via the apiserver flag `--enable-garbage-collector=false` ([#51148](https://github.com/kubernetes/kubernetes/pull/51148), [@ironcladlou](https://github.com/ironcladlou))
 * Renamed the API server flag `--experimental-bootstrap-token-auth` to `--enable-bootstrap-token-auth`. The old value is accepted with a warning in 1.8 and will be removed in 1.9. ([#51198](https://github.com/kubernetes/kubernetes/pull/51198), [@mattmoyer](https://github.com/mattmoyer))
@@ -624,15 +623,14 @@ filename | sha256 hash
 
 ### Other notable changes
 
-* /release-note Remove duplicate command example from `kubectl port-forward --help` ([#50229](https://github.com/kubernetes/kubernetes/pull/50229), [@tcharding](https://github.com/tcharding))
+* Remove duplicate command example from `kubectl port-forward --help` ([#50229](https://github.com/kubernetes/kubernetes/pull/50229), [@tcharding](https://github.com/tcharding))
 * Adds a new `kubeadm config` command that lets users tell `kubeadm upgrade` what kubeadm configuration to use and lets users view the current state. ([#50980](https://github.com/kubernetes/kubernetes/pull/50980), [@luxas](https://github.com/luxas))
 * Kubectl uses openapi for validation. If OpenAPI is not available on the server, it defaults back to the old Swagger. ([#50546](https://github.com/kubernetes/kubernetes/pull/50546), [@apelisse](https://github.com/apelisse))
 * kubectl show node role if defined ([#50438](https://github.com/kubernetes/kubernetes/pull/50438), [@dixudx](https://github.com/dixudx))
 * iSCSI volume plugin: iSCSI initiatorname support ([#48789](https://github.com/kubernetes/kubernetes/pull/48789), [@mtanino](https://github.com/mtanino))
 * On AttachDetachController node status update, do not retry when node doesn't exist but keep the node entry in cache. ([#50806](https://github.com/kubernetes/kubernetes/pull/50806), [@verult](https://github.com/verult))
 * Prevent unneeded endpoint updates ([#50934](https://github.com/kubernetes/kubernetes/pull/50934), [@joelsmith](https://github.com/joelsmith))
 * Affinity in annotations alpha feature is no longer supported in 1.8. Anyone upgrading from 1.7 with AffinityInAnnotation feature enabled must ensure pods (specifically with pod anti-affinity PreferredDuringSchedulingIgnoredDuringExecution) with empty TopologyKey fields must be removed before upgrading to 1.8. ([#49976](https://github.com/kubernetes/kubernetes/pull/49976), [@aveshagarwal](https://github.com/aveshagarwal))
-* NONE ([#50871](https://github.com/kubernetes/kubernetes/pull/50871), [@liyinan926](https://github.com/liyinan926))
 * - kubeadm now supports "ci/latest-1.8" or "ci-cross/latest-1.8" and similar labels. ([#49119](https://github.com/kubernetes/kubernetes/pull/49119), [@kad](https://github.com/kad))
 * kubeadm: Adds dry-run support for kubeadm using the `--dry-run` option ([#50631](https://github.com/kubernetes/kubernetes/pull/50631), [@luxas](https://github.com/luxas))
 * Change GCE installs (kube-up.sh) to use GCI/COS for node OS, by default. ([#46512](https://github.com/kubernetes/kubernetes/pull/46512), [@thockin](https://github.com/thockin))
@@ -665,7 +663,6 @@ filename | sha256 hash
 * fix apps DeploymentSpec conversion issue ([#49719](https://github.com/kubernetes/kubernetes/pull/49719), [@dixudx](https://github.com/dixudx))
 * fluentd-gcp addon: Fix a bug in the event-exporter, when repeated events were not sent to Stackdriver. ([#50511](https://github.com/kubernetes/kubernetes/pull/50511), [@crassirostris](https://github.com/crassirostris))
 * not allowing "kubectl edit <resource>" when you got an empty list ([#50205](https://github.com/kubernetes/kubernetes/pull/50205), [@dixudx](https://github.com/dixudx))
-* NONE ([#49025](https://github.com/kubernetes/kubernetes/pull/49025), [@danwinship](https://github.com/danwinship))
 * fixes kubefed's ability to create RBAC roles in version-skewed clusters ([#50537](https://github.com/kubernetes/kubernetes/pull/50537), [@liggitt](https://github.com/liggitt))
 * API server authentication now caches successful bearer token authentication results for a few seconds. ([#50258](https://github.com/kubernetes/kubernetes/pull/50258), [@liggitt](https://github.com/liggitt))
 * Added field CollisionCount to StatefulSetStatus in both apps/v1beta1 and apps/v1beta2 ([#49983](https://github.com/kubernetes/kubernetes/pull/49983), [@liyinan926](https://github.com/liyinan926))
@@ -785,12 +782,10 @@ filename | sha256 hash
 * additional backoff in azure cloudprovider ([#48967](https://github.com/kubernetes/kubernetes/pull/48967), [@jackfrancis](https://github.com/jackfrancis))
 * allow impersonate serviceaccount in cli ([#48253](https://github.com/kubernetes/kubernetes/pull/48253), [@CaoShuFeng](https://github.com/CaoShuFeng))
 * Add PriorityClass API object under new "scheduling" API group ([#48377](https://github.com/kubernetes/kubernetes/pull/48377), [@bsalamat](https://github.com/bsalamat))
-* None ([#45319](https://github.com/kubernetes/kubernetes/pull/45319), [@ericchiang](https://github.com/ericchiang))
 * Added golint check for pkg/kubelet. ([#47316](https://github.com/kubernetes/kubernetes/pull/47316), [@k82cn](https://github.com/k82cn))
 * azure: acr: support MSI with preview ACR with AAD auth ([#48981](https://github.com/kubernetes/kubernetes/pull/48981), [@colemickens](https://github.com/colemickens))
 * Set default CIDR to /16 for Juju deployments ([#49182](https://github.com/kubernetes/kubernetes/pull/49182), [@ktsakalozos](https://github.com/ktsakalozos))
 * Fix pod preset to ignore input pod namespace in favor of request namespace ([#49120](https://github.com/kubernetes/kubernetes/pull/49120), [@jpeeler](https://github.com/jpeeler))
-* None ([#48983](https://github.com/kubernetes/kubernetes/pull/48983), [@k82cn](https://github.com/k82cn))
 * Previously a deleted bootstrapping token secret would be considered valid until it was reaped.  Now it is invalid as soon as the deletionTimestamp is set. ([#49057](https://github.com/kubernetes/kubernetes/pull/49057), [@ericchiang](https://github.com/ericchiang))
 * Set default snap channel on charms to 1.7 stable ([#48874](https://github.com/kubernetes/kubernetes/pull/48874), [@ktsakalozos](https://github.com/ktsakalozos))
 * prevent unsetting of nonexistent previous port in kubeapi-load-balancer charm ([#49033](https://github.com/kubernetes/kubernetes/pull/49033), [@wwwtyro](https://github.com/wwwtyro))
@@ -3464,7 +3459,6 @@ filename | sha256 hash
 * 1. create configmap has a new option --from-env-file that populates a configmap from file which follows a key=val format for each line. ([#38882](https://github.com/kubernetes/kubernetes/pull/38882), [@fraenkel](https://github.com/fraenkel))
     * 2. create secret has a new option --from-env-file that populates a configmap from file which follows a key=val format for each line.
 * update the signing key for percona debian and ubuntu packages ([#41186](https://github.com/kubernetes/kubernetes/pull/41186), [@dixudx](https://github.com/dixudx))
-* release-note-none ([#41139](https://github.com/kubernetes/kubernetes/pull/41139), [@juanvallejo](https://github.com/juanvallejo))
 * fc: Drop multipath.conf snippet ([#36698](https://github.com/kubernetes/kubernetes/pull/36698), [@fabiand](https://github.com/fabiand))
 
 Please see the [Releases Page](https://github.com/kubernetes/kubernetes/releases) for older releases.