Removed unused 'alarm' field

The 'alarm' field is currently unused, so it has been removed.

Change-Id: I02fa15b06ed49dbc5dd63de54a9cde601413983c
Closes-Bug: #1550261

watcher/tests/db/test_action.py

@@ -266,24 +266,21 @@ class DbActionTestCase(base.DbTestCase):
             description='description action 1',
             uuid=w_utils.generate_uuid(),
             next=None,
-            state='PENDING',
-            alarm=None)
+            state='PENDING')
         action2 = self._create_test_action(
             id=2,
             action_plan_id=2,
             description='description action 2',
             uuid=w_utils.generate_uuid(),
             next=action1['uuid'],
-            state='PENDING',
-            alarm=None)
+            state='PENDING')
         action3 = self._create_test_action(
             id=3,
             action_plan_id=1,
             description='description action 3',
             uuid=w_utils.generate_uuid(),
             next=action2['uuid'],
-            state='ONGOING',
-            alarm=None)
+            state='ONGOING')
         res = self.dbapi.get_action_list(self.context,
                                          filters={'state': 'ONGOING'})
         self.assertEqual([action3['id']], [r.id for r in res])

watcher/tests/db/utils.py

@@ -91,7 +91,6 @@ def get_test_action(**kwargs):
                         'resource_id':
                         '10a47dd1-4874-4298-91cf-eff046dbdb8d'}),
         'state': kwargs.get('state', 'PENDING'),
-        'alarm': kwargs.get('alarm', None),
         'next': kwargs.get('next', 2),
         'created_at': kwargs.get('created_at'),
         'updated_at': kwargs.get('updated_at'),