code: public void deleteAward(GitlabMergeRequest mergeRequest, GitlabAward award) throws IOException {
          String tailUrl = GitlabProject.URL + "/" + mergeRequest.getProjectId() + GitlabMergeRequest.URL + "/"
                  + mergeRequest.getIid() + GitlabAward.URL + "/" + award.getId();
  
          retrieve().method(DELETE).to(tailUrl, Void.class);
      }
docs: Delete an award for a merge request
  
  @param mergeRequest
  @param award
  @throws IOException on gitlab api call error