CONSOLE-4665: Disable serving of old v1alpha1 CRD version

Author: jhadvig

console/v1/manual-override-crd-manifests/consoleplugins.console.openshift.io/AAA_ungated.yaml

@@ -152,5 +152,5 @@ spec:
         - metadata
         - spec
         type: object
-    served: true
+    served: false
     storage: false

console/v1/zz_generated.crd-manifests/90_consoleplugins.crd.yaml

@@ -498,5 +498,5 @@ spec:
         - metadata
         - spec
         type: object
-    served: true
+    served: false
     storage: false