Use sleep from js-sdk as no point duplicating it

src/CountlyAnalytics.ts

@@ -16,12 +16,12 @@ limitations under the License.
 
 import { randomString } from "matrix-js-sdk/src/randomstring";
 import { IContent } from "matrix-js-sdk/src/models/event";
+import { sleep } from "matrix-js-sdk/src/utils";
 
 import { getCurrentLanguage } from './languageHandler';
 import PlatformPeg from './PlatformPeg';
 import SdkConfig from './SdkConfig';
 import { MatrixClientPeg } from "./MatrixClientPeg";
-import { sleep } from "./utils/promise";
 import RoomViewStore from "./stores/RoomViewStore";
 import { Action } from "./dispatcher/actions";