Per merge discussion, moving PGDATA out of config map and defining in deployment manifest

gitlab-config.yml

@@ -13,7 +13,6 @@ data:
   mattermost_app_uid: aadas
   postgres_user: gitlab
   postgres_db: gitlab_production
-  postgres_pgdata: /var/lib/postgresql/data/pgdata
 ---
 apiVersion: v1
 kind: Secret

gitlab/postgresql-deployment.yml

@@ -33,10 +33,7 @@ spec:
         - name: DB_EXTENSION
           value: pg_trgm
         - name: PGDATA
-          valueFrom:
-            configMapKeyRef:
-              name: gitlab-config
-              key: postgres_pgdata
+          value: /var/lib/postgresql/data/pgdata
         ports:
         - name: postgres
           containerPort: 5432