message: EventIndex: Remove the unused deleteEventIndex method.
  We need to support the deletion of the event index even if it's not
  currently initialized, therefore the deletion ended up in the
  EventIndexPeg class.
diff: @@ -386,14 +386,6 @@ export default class EventIndex {
  return indexManager.closeEventIndex();
  }
  - async deleteEventIndex() {
  - const indexManager = PlatformPeg.get().getEventIndexingManager();
  - if (indexManager !== null) {
  - this.stopCrawler();
  - await indexManager.deleteEventIndex();
  - }
  - }
  -
  async search(searchArgs) {
  const indexManager = PlatformPeg.get().getEventIndexingManager();
  return indexManager.searchEventIndex(searchArgs);
  