code: public Observable<Void> deleteImageTagsAsync(UUID projectId, List<String> imageIds, List<String> tagIds) {
          return deleteImageTagsWithServiceResponseAsync(projectId, imageIds, tagIds).map(new Func1<ServiceResponse<Void>, Void>() {
              @Override
              public Void call(ServiceResponse<Void> response) {
                  return response.body();
              }
          });
      }
docs: Remove a set of tags from a set of images.
  
  @param projectId The project id
  @param imageIds Image ids. Limited to 64 images
  @param tagIds Tags to be deleted from the specified images. Limted to 20 tags
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceResponse} object if successful.