chore(controller-gen): upgrading to 0.10.0

Makefile

@@ -14,8 +14,6 @@ BUNDLE_METADATA_OPTS ?= $(BUNDLE_CHANNELS) $(BUNDLE_DEFAULT_CHANNEL)
 
 # Image URL to use all building/pushing image targets
 IMG ?= clastix/capsule:$(VERSION)
-# Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
-CRD_OPTIONS ?= "crd:preserveUnknownFields=false"
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))
@@ -72,7 +70,7 @@ remove: installer
 
 # Generate manifests e.g. CRD, RBAC etc.
 manifests: controller-gen
-	$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases
+	$(CONTROLLER_GEN) rbac:roleName=manager-role crd webhook paths="./..." output:crd:artifacts:config=config/crd/bases
 
 # Generate code
 generate: controller-gen
@@ -164,7 +162,7 @@ docker-push:
 
 CONTROLLER_GEN = $(shell pwd)/bin/controller-gen
 controller-gen: ## Download controller-gen locally if necessary.
-	$(call go-install-tool,$(CONTROLLER_GEN),sigs.k8s.io/controller-tools/cmd/controller-gen@v0.5.0)
+	$(call go-install-tool,$(CONTROLLER_GEN),sigs.k8s.io/controller-tools/cmd/controller-gen@v0.10.0)
 
 APIDOCS_GEN = $(shell pwd)/bin/crdoc
 apidocs-gen: ## Download crdoc locally if necessary.