Disable var-naming[no-role-prefix] ansible-lint rule

.config/ansible-lint.yml

@@ -9,6 +9,7 @@ skip_list:
   - schema
   - command-instead-of-shell
   - role-name
+  - var-naming[no-role-prefix]
   # We frequently load configuration from a template (into a variable), then merge that with another variable (configuration extension)
   # before finally dumping it to a file.
   - template-instead-of-copy