code: def deletefile(self, project_id, file_path, branch_name, commit_message):
          
          data = {
              'file_path': file_path,
              'branch_name': branch_name,
              'commit_message': commit_message
          }
  
          request = requests.delete(
              '{0}/{1}/repository/files'.format(self.projects_url, project_id),
              headers=self.headers, data=data, verify=self.verify_ssl, auth=self.auth, timeout=self.timeout)
  
          return request.status_code == 200
docs: Deletes existing file in the repository
  
          :param project_id: project id
          :param file_path: Full path to new file. Ex. lib/class.rb
          :param branch_name: The name of branch
          :param commit_message: Commit message
          :return: true if success, false if not