fix(deps): Update the Java code generator (gapic-generator-java) to 2.39.0 (googleapis#1406)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 626430774

Source-Link: https://github.com/googleapis/googleapis/commit/835b84ebfc4974ab5dcd9b31ad66c01ef3455475

Source-Link: https://github.com/googleapis/googleapis-gen/commit/43f369d90f19d09ac18720151ab106042beb811b
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNDNmMzY5ZDkwZjE5ZDA5YWMxODcyMDE1MWFiMTA2MDQyYmViODExYiJ9

Author: gcf-owl-bot[bot]

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

@@ -258,15 +258,6 @@ public DatastoreAdminStub createStub() throws IOException {
             "Transport not supported: %s", getTransportChannelProvider().getTransportName()));
   }
 
-  /** Returns the endpoint set by the user or the the service's default endpoint. */
-  @Override
-  public String getEndpoint() {
-    if (super.getEndpoint() != null) {
-      return super.getEndpoint();
-    }
-    return getDefaultEndpoint();
-  }
-
   /** Returns the default service name. */
   @Override
   public String getServiceName() {
@@ -716,15 +707,6 @@ public UnaryCallSettings.Builder<GetIndexRequest, Index> getIndexSettings() {
       return listIndexesSettings;
     }
 
-    /** Returns the endpoint set by the user or the the service's default endpoint. */
-    @Override
-    public String getEndpoint() {
-      if (super.getEndpoint() != null) {
-        return super.getEndpoint();
-      }
-      return getDefaultEndpoint();
-    }
-
     @Override
     public DatastoreAdminStubSettings build() throws IOException {
       return new DatastoreAdminStubSettings(this);