code: public void deleteGitLabCI(Object projectIdOrPath) throws GitLabApiException {
          Response.Status expectedStatus = (isApiVersion(ApiVersion.V3) ? Response.Status.OK : Response.Status.NO_CONTENT);
          delete(expectedStatus, null, "projects", getProjectIdOrPath(projectIdOrPath), "services", "gitlab-ci");
      }
docs: Deletes the gitlab-ci service for a project.
  
  <pre><code>GitLab Endpoint: DELETE /projects/:id/services/gitlab-ci</code></pre>
  
  @param projectIdOrPath id, path of the project, or a Project instance holding the project ID or path
  @throws GitLabApiException if any exception occurs
  @deprecated No longer supported