external: enable the use of only v2 mon port

currently  the script requires to have both v2 and v1 port
to enable v2 port, but that is not the necessary condition,
so removing the chek, and enabling it only v2 is present to
successfully configure with v2 only

part-of: https://github.com/rook/rook/issues/13827

Signed-off-by: parth-gr <partharora1010@gmail.com>
(cherry picked from commit 117bc76f20)

deploy/examples/create-external-cluster-resources.py

@@ -699,14 +699,6 @@ class RadosJSON:
         q_leader_details = q_leader_matching_list[0]
         # get the address vector of the quorum-leader
         q_leader_addrvec = q_leader_details.get("public_addrs", {}).get("addrvec", [])
-        # if the quorum-leader has only one address in the address-vector
-        # and it is of type 'v2' (ie; with <IP>:3300),
-        # raise an exception to make user aware that
-        # they have to enable 'v1' (ie; with <IP>:6789) type as well
-        if len(q_leader_addrvec) == 1 and q_leader_addrvec[0]["type"] == "v2":
-            raise ExecutionFailureException(
-                "Only 'v2' address type is enabled, user should also enable 'v1' type as well"
-            )
         ip_addr = str(q_leader_details["public_addr"].split("/")[0])
 
         if self._arg_parser.v2_port_enable: