remove test14 from CI - extra_nodes feature removed

Author: sjpb

.github/workflows/ci.yml

@@ -59,7 +59,6 @@ jobs:
           - test11
           - test12
           - test13
-          - test14
         exclude:
           # mariadb package provides /usr/bin/mysql on RL8 which doesn't work with geerlingguy/mysql role
           - scenario: test4