chore: Set rest_numeric_enums = False for all gapic rules explicitly (#904)

* chore: Set `rest_numeric_enums = False` for all gapic rules explicitly PiperOrigin-RevId: 485623855 Source-Link: googleapis/googleapis@807125e Source-Link: https://github.com/googleapis/googleapis-gen/commit/c4ddd6d651da69658a4762c5eafff5cd8f0e25c5 Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiYzRkZGQ2ZDY1MWRhNjk2NThhNDc2MmM1ZWFmZmY1Y2Q4ZjBlMjVjNSJ9 * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

google-cloud-datastore/src/main/java/com/google/cloud/datastore/admin/v1/DatastoreAdminClient.java

@@ -192,10 +192,7 @@
  * // - It may require specifying regional endpoints when creating the service client as shown in
  * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * DatastoreAdminSettings datastoreAdminSettings =
- * DatastoreAdminSettings.newBuilder()
- * .setTransportChannelProvider(
- * DatastoreAdminSettings.defaultHttpJsonTransportProviderBuilder().build())
- * .build();
+ * DatastoreAdminSettings.newHttpJsonBuilder().build();
  * DatastoreAdminClient datastoreAdminClient = DatastoreAdminClient.create(datastoreAdminSettings);
  * }</pre>
  *