message: Remove Discovery API Ref
diff: * See the License for the specific language governing permissions and
  * limitations under the License.
  */
  -import {
  - createApiFactory,
  - createPlugin,
  - discoveryApiRef,
  -} from '@backstage/core-plugin-api';
  +import { createApiFactory, createPlugin } from '@backstage/core-plugin-api';
  import { rootRouteRef } from './routes';
  import { airbrakeApiRef, ProductionAirbrakeApi } from './api';
  @@ -27,10 +23,8 @@ export const airbrakePlugin = createPlugin({
  apis: [
  createApiFactory({
  api: airbrakeApiRef,
  - deps: {
  - discoveryApi: discoveryApiRef,
  - },
  - factory: ({ discoveryApi }) => new ProductionAirbrakeApi(discoveryApi),
  + deps: {},
  + factory: () => new ProductionAirbrakeApi(),
  }),
  ],
  routes: {
  