tools: Remove --os-identity-api-version, --os-volume-api-version opts

There is only one volume API and one identity API, and their collective
number is 3.

Change-Id: Ie269817c5bb0eddd8cfcf279a46cffe4a56377b2
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
Depends-on: https://review.opendev.org/c/openstack/openstacksdk/+/942898
diff --git a/tools/update_clouds_yaml.py b/tools/update_clouds_yaml.py
index c0a5483..87312d9 100755
--- a/tools/update_clouds_yaml.py
+++ b/tools/update_clouds_yaml.py
@@ -32,19 +32,9 @@
             self._create_directory = True
         self._clouds = {}
 
-        if args.os_identity_api_version != '3':
-            print("ERROR: Only identity API v3 is supported")
-            sys.exit(1)
-
-        if args.os_volume_api_version != '3':
-            print("ERROR: Only block storage API v3 is supported")
-            sys.exit(1)
-
         self._cloud = args.os_cloud
         self._cloud_data = {
             'region_name': args.os_region_name,
-            'identity_api_version': args.os_identity_api_version,
-            'volume_api_version': args.os_volume_api_version,
             'auth': {
                 'auth_url': args.os_auth_url,
                 'username': args.os_username,
@@ -100,8 +90,6 @@
     parser.add_argument('--file')
     parser.add_argument('--os-cloud', required=True)
     parser.add_argument('--os-region-name', default='RegionOne')
-    parser.add_argument('--os-identity-api-version', default='3')
-    parser.add_argument('--os-volume-api-version', default='3')
     parser.add_argument('--os-cacert')
     parser.add_argument('--os-auth-url', required=True)
     parser.add_argument('--os-username', required=True)