code: public void deleteImage(DeleteImageRequest request) {
          checkNotNull(request, "request should not be null.");
          checkStringNotEmpty(request.getImageId(), "request imageId should not be empty.");
          InternalRequest internalRequest =
                  this.createRequest(request, HttpMethodName.DELETE, IMAGE_PREFIX, request.getImageId());
          invokeHttpClient(internalRequest, AbstractBceResponse.class);
      }
docs: Deleting the specified image.
  
  Only the customized image can be deleted,
  otherwise,it's will get <code>403</code> errorCode.
  
  @param request The request containing all options for deleting the specified image.