Revert "Show version without supplying a dummy action"

This reverts commit 11b55be5bb.
Parsing before action will fail if one of the action specific options is used
As per issue #13743

lib/ansible/cli/vault.py

@@ -53,9 +53,6 @@ class VaultCLI(CLI):
             epilog = "\nSee '%s <command> --help' for more information on a specific command.\n\n" % os.path.basename(sys.argv[0])
         )
 
-        # Workaround for #12004: show version without supplying a dummy action
-        self.parser.parse_args()
-
         self.set_action()
 
         # options specific to self.actions