[WFLY-19898] remove PostgreSQL internal image configuration

Author: kstekovi

todo-backend/charts/values.yaml

@@ -44,10 +44,3 @@ wildfly:
           value: "256"
         - name: GC_METASPACE_SIZE
           value: "96"
-      initContainers:
-        - name: check-db-ready
-          image: postgres:9.6.5
-          command: [ 'sh', '-c',
-              'until pg_isready -h todo-backend-postgresql -p 5432; 
-                    do echo waiting for database; sleep 2; done;' ]
-