code: public void deleteRunner(String token) throws GitLabApiException {
          GitLabApiForm formData = new GitLabApiForm().withParam("token", token, true);
          delete(Response.Status.NO_CONTENT, formData.asMap(), "runners");
      }
docs: Deletes a registered Runner.
  
  <pre><code>GitLab Endpoint: DELETE /runners/</code></pre>
  
  @param token the runners authentication token
  @throws GitLabApiException if any exception occurs