Remove unnecessary resource_cleanup/setup

Since Ic73cbffec8ff801462ea2155718fc3728bfb6512 , these methods have
become unnecessary. This patch removes them for cleanup.

Change-Id: Id7beb3ba890ff92982549f9424166ada3cb84879
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index deb5413..6c926fb 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -119,10 +119,6 @@
         super(BaseIdentityV2AdminTest, cls).resource_setup()
         cls.projects_client = cls.tenants_client
 
-    @classmethod
-    def resource_cleanup(cls):
-        super(BaseIdentityV2AdminTest, cls).resource_cleanup()
-
     def setup_test_user(self, password=None):
         """Set up a test user."""
         tenant = self.setup_test_tenant()
@@ -187,14 +183,6 @@
             cls.os_adm.auth_provider.scope = 'domain'
 
     @classmethod
-    def resource_setup(cls):
-        super(BaseIdentityV3AdminTest, cls).resource_setup()
-
-    @classmethod
-    def resource_cleanup(cls):
-        super(BaseIdentityV3AdminTest, cls).resource_cleanup()
-
-    @classmethod
     def disable_user(cls, user_name, domain_id=None):
         user = cls.get_user_by_name(user_name, domain_id)
         cls.users_client.update_user(user['id'], name=user_name, enabled=False)