ceph: force yq and controller-gen versions

Let's not use any controllen-gen version we might find on the system,
always pull the version we need.
Same goes for yq.

Signed-off-by: Sébastien Han <seb@redhat.com>

.github/workflows/crds-gen.yml

@@ -15,9 +15,6 @@ jobs:
     - name: checkout
       uses: actions/checkout@v2
 
-    - name: install yq
-      run: sudo snap install yq --channel=v3/stable
-
     - name: copy working directory to GOPATH
       run: sudo mkdir -p /home/runner/go/src/github.com && sudo cp -a /home/runner/work/rook /home/runner/go/src/github.com/