Scenarios: remove redundant call to `resource_setup()`

The BaseTestCase class already calls `resource_setup()` right
after calling `setup_clients`. So no need to call resource_setup()
twice.

Change-Id: Iebac71a518005c2135947a262ec3e71b10a5c314
diff --git a/tempest/scenario/test_aggregates_basic_ops.py b/tempest/scenario/test_aggregates_basic_ops.py
index 086b82d..43adfb1 100644
--- a/tempest/scenario/test_aggregates_basic_ops.py
+++ b/tempest/scenario/test_aggregates_basic_ops.py
@@ -36,7 +36,6 @@
         super(TestAggregatesBasicOps, cls).setup_clients()
         # Use admin client by default
         cls.manager = cls.admin_manager
-        super(TestAggregatesBasicOps, cls).resource_setup()
         cls.aggregates_client = cls.manager.aggregates_client
         cls.hosts_client = cls.manager.hosts_client
 
diff --git a/tempest/scenario/test_server_multinode.py b/tempest/scenario/test_server_multinode.py
index 0cf72c3..b323d2a 100644
--- a/tempest/scenario/test_server_multinode.py
+++ b/tempest/scenario/test_server_multinode.py
@@ -42,7 +42,6 @@
         # this is needed so that we can use the availability_zone:host
         # scheduler hint, which is admin_only by default
         cls.servers_client = cls.admin_manager.servers_client
-        super(TestServerMultinode, cls).resource_setup()
 
     @test.idempotent_id('9cecbe35-b9d4-48da-a37e-7ce70aa43d30')
     @test.attr(type='smoke')