Remove unsed client variables

This patch removes some unsed client variables for cleanup.

Change-Id: I7c86cd2e619b30a757bbcb42bd62bb75f0a1f67d
diff --git a/tempest/api/compute/admin/test_services.py b/tempest/api/compute/admin/test_services.py
index 16dcfcc..ac800fb 100644
--- a/tempest/api/compute/admin/test_services.py
+++ b/tempest/api/compute/admin/test_services.py
@@ -30,7 +30,6 @@
     def setUpClass(cls):
         super(ServicesAdminTestJSON, cls).setUpClass()
         cls.client = cls.os_adm.services_client
-        cls.non_admin_client = cls.services_client
 
     @attr(type='gate')
     def test_list_services(self):
diff --git a/tempest/api/compute/v3/admin/test_aggregates.py b/tempest/api/compute/v3/admin/test_aggregates.py
index b8b478d..20093e4 100644
--- a/tempest/api/compute/v3/admin/test_aggregates.py
+++ b/tempest/api/compute/v3/admin/test_aggregates.py
@@ -32,7 +32,6 @@
     def setUpClass(cls):
         super(AggregatesAdminV3Test, cls).setUpClass()
         cls.client = cls.aggregates_admin_client
-        cls.user_client = cls.aggregates_client
         cls.aggregate_name_prefix = 'test_aggregate_'
         cls.az_name_prefix = 'test_az_'