Remove old RHCOS metadata (not stream metadata)

OWNERS_ALIASES

@@ -94,3 +94,36 @@ aliases:
   ibmcloud-reviewers:
     - bobbyradford
     - hasueki
+  # Keep in sync with the `coreos-approvers` and `coreos-reviewers` lists in https://github.com/openshift/release/blob/master/OWNERS_ALIASES
+  coreos-approvers:
+    - miabbott
+    - cgwalters
+    - bgilbert
+    - dustymabe
+    - mike-nguyen
+    - jlebon
+    - ashcrow
+    - lucab
+    - sohankunkerkar
+    - travier
+    - saqibali-2k
+    - HuijingHei
+    - jmarrero
+    - aaradhak
+    - ravanelli
+  coreos-reviewers:
+    - miabbott
+    - cgwalters
+    - bgilbert
+    - dustymabe
+    - mike-nguyen
+    - jlebon
+    - ashcrow
+    - lucab
+    - sohankunkerkar
+    - travier
+    - saqibali-2k
+    - HuijingHei
+    - jmarrero
+    - aaradhak
+    - ravanelli

data/data/coreos/OWNERS

@@ -0,0 +1,8 @@
+# See the OWNERS docs: https://git.k8s.io/community/contributors/guide/owners.md
+# This file should mirror the list of users defined on coreos-approvers in:
+# https://github.com/openshift/release/blob/master/OWNERS_ALIASES
+
+approvers:
+  - coreos-approvers
+reviewers:
+  - coreos-reviewers