igw: drop gateway_ip_list for container setups

The gateway_ip_list is not used in container setups, so drop it
for that case.

Signed-off-by: Mike Christie <mchristi@redhat.com>
(cherry picked from commit b7b2213be1)

roles/ceph-validate/tasks/check_iscsi.yml

@@ -2,7 +2,9 @@
 - name: make sure gateway_ip_list is configured
   fail:
     msg: "you must set a list of IPs (comma separated) for gateway_ip_list"
-  when: "gateway_ip_list | default('0.0.0.0') == '0.0.0.0'"
+  when:
+    - "gateway_ip_list | default('0.0.0.0') == '0.0.0.0'"
+    - not containerized_deployment | bool
 
 - name: fail if unsupported chap configuration
   fail:

tests/functional/all_daemons/container/group_vars/iscsigws

@@ -1,3 +1,2 @@
 ---
-gateway_ip_list: 192.168.1.90
 generate_crt: True