lint: allow all unqualified collection names

We were already ignoring fqcn-builtins which is now an alias for
fqcn[action-core] in ansible-lint 6.8.0. The latter started complaining
about fqcn[action] as well, so just opt out of all fqcn checks.

.ansible-lint

@@ -14,5 +14,5 @@ skip_list:
   - meta-no-info
   # Allow package versions to be specified as 'latest'
   - package-latest
-  # Don't require FQCN for builtin actions
-  - fqcn-builtins
+  # Don't require fully-qualified collection names
+  - fqcn