remove insights db changes from the docker overrides.

docker/build/insights/ansible_overrides.yml

@@ -9,17 +9,12 @@ INSIGHTS_MEMCACHE:
   - "memcache.{{ DOCKER_TLD }}:11211"
 ANALYTICS_API_ENDPOINT: "http://analtyicsapi.{{ DOCKER_TLD }}:8100/api/v0"
 
-INSIGHTS_DATABASE_USER: rosencrantz
-INSIGHTS_DATABASE_PASSWORD: secret
-INSIGHTS_DATABASE_HOST: "db.{{ DOCKER_TLD  }}"
-INSIGHTS_DATABASE_PORT: 3306
-
 INSIGHTS_DATABASES:
   # rw user
   default:
     ENGINE: 'django.db.backends.mysql'
     NAME: '{{ INSIGHTS_DATABASE_NAME }}'
-    USER: '{{ INSIGHTS_DATABASE_USER }}'
-    PASSWORD: '{{ INSIGHTS_DATABASE_PASSWORD }}'
-    HOST: "{{ INSIGHTS_DATABASE_HOST }}"
-    PORT: '{{ INSIGHTS_DATABASE_PORT }}'
+    USER: 'rosencrantz'
+    PASSWORD: 'secret'
+    HOST: "db.{{ DOCKER_TLD  }}"
+    PORT: '3306'