remove unused import

Author: olami-developers

examples/src/main/java/ai/olami/android/example/HotwordDetectionActivity.java

@@ -19,7 +19,6 @@
 package ai.olami.android.example;
 
 import android.Manifest;
-import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.media.AudioFormat;
 import android.media.AudioRecord;