Make ansible-test sanity voting

- symlink sanity ignore files
- exclude tests/unit from collection as they were causing multiple
  violations on sanity
- remove README.rst from collections as they can only have the README.md
- make sanity job voting to prevent regressions

Change-Id: Ifad87a22bec86734e9db4270f4de368ca91b1f67

galaxy.yml

@@ -24,7 +24,8 @@ build_ignore:
   - report.html
   - setup.cfg
   - setup.py
-  - tests
+  - "tests/unit/*.*"
+  - README.rst
   - tox.ini
   - tripleo_repos
   - zuul.d

tests/sanity/ignore-2.10.txt

@@ -1 +1 @@
-ignore-2.9.txt
+ignore.txt

tests/sanity/ignore-2.11.txt

@@ -1 +1 @@
-ignore-2.9.txt
+ignore.txt

tests/sanity/ignore-2.12.txt

@@ -0,0 +1 @@
+ignore.txt

tests/sanity/ignore-2.9.txt

@@ -1 +0,0 @@
-plugins/module_utils/tripleo_repos/get_hash/tripleo_hash_info.py replace-urlopen  # we did it right

tests/sanity/ignore-2.9.txt

@@ -0,0 +1 @@
+ignore.txt

tests/sanity/ignore.txt

@@ -0,0 +1 @@
+plugins/module_utils/tripleo_repos/get_hash/tripleo_hash_info.py replace-urlopen

zuul.d/layout.yaml

@@ -29,10 +29,8 @@
               - openstack-tox-py39
         - tripleo-build-containers-ubi-8:
             dependencies: *deps_unit_lint_cprovider
-        - tox-sanity-py36:
-            voting: false
-        - tox-sanity-py39:
-            voting: false
+        - tox-sanity-py36
+        - tox-sanity-py39
     gate:
       jobs:
         - openstack-tox-pep8: