Optimize CI

.github/workflows/tox.yml

@@ -44,12 +44,6 @@ jobs:
         with:
           fetch-depth: 0 # needed by setuptools-scm
 
-      - name: Install system dependencies
-        run: |
-          sudo apt-get update \
-          && sudo apt-get install -y  ansible \
-          && ansible-doc -l | grep gce
-
       - name: Install Python
         uses: actions/setup-python@v4
         with:

test/gce/scenarios/linux/requirements.yml

@@ -1,3 +1,2 @@
 collections:
   - name: google.cloud
-    source: https://github.com/ansible-collections/google.cloud

test/vagrant/scenarios/molecule/default-compat/destroy.yml

@@ -36,5 +36,5 @@
           # Molecule managed
           {{ instance_conf | to_json | from_json | to_yaml }}
         dest: "{{ molecule_instance_config }}"
-        mode: ":0600"
+        mode: "0600"
       when: server.changed | bool