[Fullstack] Remove SecurityGroupRulesTest.test_normalized_cidr_in_rule test

This fullstack test is now replaced by the API test in
neutron_tempest_plugin (see depends on patch).

Depends-On: https://review.opendev.org/c/openstack/neutron-tempest-plugin/+/902753
Change-Id: I2d01b6bf65ebb4dd5bf50e3aca2b3c69a2b70d23
(cherry picked from commit ef15700)

Author: slawqo

neutron/tests/fullstack/test_securitygroup.py

@@ -662,27 +662,3 @@ def _test_overlapping_mac_addresses(self):
                 vm1, vm2, net_helpers.NetcatTester.TCP, port + 1)
             self.verify_no_connectivity_between_vms(
                 vm2, vm1, net_helpers.NetcatTester.TCP, port + 1)
-
-
-class SecurityGroupRulesTest(base.BaseFullStackTestCase):
-
-    def setUp(self):
-        host_descriptions = [environment.HostDescription()]
-        env = environment.Environment(environment.EnvironmentDescription(),
-                                      host_descriptions)
-        super(SecurityGroupRulesTest, self).setUp(env)
-
-    def test_normalized_cidr_in_rule(self):
-        project_id = uuidutils.generate_uuid()
-        sg = self.safe_client.create_security_group(project_id)
-
-        rule = self.safe_client.create_security_group_rule(
-            project_id, sg['id'], direction='ingress',
-            remote_ip_prefix='10.0.0.34/24')
-        self.assertEqual('10.0.0.0/24', rule['normalized_cidr'])
-        self.assertEqual('10.0.0.34/24', rule['remote_ip_prefix'])
-
-        rule = self.safe_client.create_security_group_rule(
-            project_id, sg['id'], direction='ingress')
-        self.assertIsNone(rule['normalized_cidr'])
-        self.assertIsNone(rule['remote_ip_prefix'])