Remove unneeded newName

When kustomizing images newName instead required only if we want to
change the image. In ocm-controller we only want to set the tag.

Signed-off-by: Nir Soffer <nsoffer@redhat.com>

test/addons/ocm-controller/kustomization.yaml

@@ -25,7 +25,6 @@ resources:
 
 images:
 - name: quay.io/stolostron/multicloud-manager
-  newName: quay.io/stolostron/multicloud-manager
   newTag: $image_tag
 
 patches: