Updated entitlements groups (GONRG-3266)

provider/indexer-gcp/README.md

@@ -182,9 +182,7 @@ The Redis instance must be created under the same region with the App Engine app
 Storage service account should have entitlements groups listed below:
 - service.entitlements.user
 - users
-- service.storage.viewer
 - service.schema-service.viewers
-- data.default.viewers
 - service.storage.admin
 - service.search.admin
 
@@ -202,4 +200,4 @@ Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
-limitations under the License.
\ No newline at end of file
+limitations under the License.