Remove unnecessary __init__ and resource_setup/cleanup

This is to remove some unnecessary __init__ and resource_setup
and resource_cleanup to keep code clean.

Change-Id: I56c00649c5611ef1f94993ae63cef129b04735d3
diff --git a/tempest/api/data_processing/test_node_group_templates.py b/tempest/api/data_processing/test_node_group_templates.py
index 388bb58..c2dae85 100644
--- a/tempest/api/data_processing/test_node_group_templates.py
+++ b/tempest/api/data_processing/test_node_group_templates.py
@@ -25,10 +25,6 @@
         if cls.default_plugin is None:
             raise cls.skipException("No Sahara plugins configured")
 
-    @classmethod
-    def resource_setup(cls):
-        super(NodeGroupTemplateTest, cls).resource_setup()
-
     def _create_node_group_template(self, template_name=None):
         """Creates Node Group Template with optional name specified.
 
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index 7fee2bc..7a1e3a5 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -81,14 +81,6 @@
         cls.non_admin_tenants_client = cls.os.tenants_public_client
         cls.non_admin_users_client = cls.os.users_public_client
 
-    @classmethod
-    def resource_setup(cls):
-        super(BaseIdentityV2Test, cls).resource_setup()
-
-    @classmethod
-    def resource_cleanup(cls):
-        super(BaseIdentityV2Test, cls).resource_cleanup()
-
 
 class BaseIdentityV2AdminTest(BaseIdentityV2Test):
 
@@ -137,10 +129,6 @@
         cls.non_admin_token = cls.os.token_v3_client
         cls.non_admin_projects_client = cls.os.projects_client
 
-    @classmethod
-    def resource_cleanup(cls):
-        super(BaseIdentityV3Test, cls).resource_cleanup()
-
 
 class BaseIdentityV3AdminTest(BaseIdentityV3Test):
 
diff --git a/tempest/api/orchestration/stacks/test_stacks.py b/tempest/api/orchestration/stacks/test_stacks.py
index 28463ab..f13a2d9 100644
--- a/tempest/api/orchestration/stacks/test_stacks.py
+++ b/tempest/api/orchestration/stacks/test_stacks.py
@@ -18,10 +18,6 @@
 class StacksTestJSON(base.BaseOrchestrationTest):
     empty_template = "HeatTemplateFormatVersion: '2012-12-12'\n"
 
-    @classmethod
-    def resource_setup(cls):
-        super(StacksTestJSON, cls).resource_setup()
-
     @test.attr(type='smoke')
     @test.idempotent_id('d35d628c-07f6-4674-85a1-74db9919e986')
     def test_stack_list_responds(self):
diff --git a/tempest/cmd/cleanup.py b/tempest/cmd/cleanup.py
index 289650f..80de6f5 100644
--- a/tempest/cmd/cleanup.py
+++ b/tempest/cmd/cleanup.py
@@ -71,9 +71,6 @@
 
 class TempestCleanup(command.Command):
 
-    def __init__(self, app, cmd):
-        super(TempestCleanup, self).__init__(app, cmd)
-
     def take_action(self, parsed_args):
         try:
             self.init(parsed_args)
diff --git a/tempest/lib/services/compute/base_compute_client.py b/tempest/lib/services/compute/base_compute_client.py
index 433c94c..a706a79 100644
--- a/tempest/lib/services/compute/base_compute_client.py
+++ b/tempest/lib/services/compute/base_compute_client.py
@@ -36,11 +36,6 @@
 
     api_microversion_header_name = 'X-OpenStack-Nova-API-Version'
 
-    def __init__(self, auth_provider, service, region,
-                 **kwargs):
-        super(BaseComputeClient, self).__init__(
-            auth_provider, service, region, **kwargs)
-
     def get_headers(self):
         headers = super(BaseComputeClient, self).get_headers()
         if COMPUTE_MICROVERSION: