docs: public void deletePipelineScheduleVariable(Object projectIdOrPath, Integer pipelineScheduleId, String key) throws GitLabApiException {
          Response.Status expectedStatus = (isApiVersion(GitLabApi.ApiVersion.V3) ? Response.Status.OK : Response.Status.NO_CONTENT);
          delete(expectedStatus, null, "projects", getProjectIdOrPath(projectIdOrPath),
                  "pipeline_schedules", pipelineScheduleId, "variables", key);
      }