algoliasearch/src/main/java/com/algolia/search/saas/Index.java
public Request deleteObjectAsync(final @NonNull String objectID, @Nullable CompletionHandler completionHandler) {
        return deleteObjectAsync(objectID, /* requestOptions: */ null, completionHandler);
    }
public Request deleteObjectAsync(final @NonNull String objectID, @Nullable CompletionHandler completionHandler) {
        return deleteObjectAsync(objectID, /* requestOptions: */ null, completionHandler);
    }
Deletes an object from this index (asynchronously).

@param objectID          Identifier of the object to delete.
@param completionHandler The listener that will be notified of the request's outcome.
@return A cancellable request.