Remove Kibana 7

Author: afeefghannam89

.github/workflows/test_role_kibana.yml

@@ -46,7 +46,6 @@ jobs:
         scenario:
           - kibana_default
         release:
-          - 7
           - 8
         ansible_version:
           - "ansible-core>=2.19,<2.20" #Correspond ansible>=12.0,<13.0