Remove WebApkServiceImpl#getBroadcastPendingIntent() because it is unneeded

chrome/android/webapk/libs/runtime_library/src/org/chromium/webapk/lib/runtime_library/WebApkServiceImpl.java

Index: chrome/android/webapk/libs/runtime_library/src/org/chromium/webapk/lib/runtime_library/WebApkServiceImpl.java
diff --git a/chrome/android/webapk/libs/runtime_library/src/org/chromium/webapk/lib/runtime_library/WebApkServiceImpl.java b/chrome/android/webapk/libs/runtime_library/src/org/chromium/webapk/lib/runtime_library/WebApkServiceImpl.java
index 2af8bae5f6c2e85d74e145be1bbb26176623ccc7..9059fd330a8e4263245b1897fb618ee6d4f49d8e 100644
--- a/chrome/android/webapk/libs/runtime_library/src/org/chromium/webapk/lib/runtime_library/WebApkServiceImpl.java
+++ b/chrome/android/webapk/libs/runtime_library/src/org/chromium/webapk/lib/runtime_library/WebApkServiceImpl.java
@@ -6,9 +6,7 @@ package org.chromium.webapk.lib.runtime_library;
 
 import android.app.Notification;
 import android.app.NotificationManager;
-import android.app.PendingIntent;
 import android.content.Context;
-import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Binder;
 import android.os.Bundle;
@@ -72,12 +70,6 @@ public class WebApkServiceImpl extends IWebApkApi.Stub {
     }
 
     @Override
-    public PendingIntent getBroadcastPendingIntent(int requestCode, Intent intent, int flags) {
-        return PendingIntent.getBroadcast(
-                mContext.getApplicationContext(), requestCode, intent, flags);
-    }
-
-    @Override
     public int getSmallIconId() {
         return mAppIcon;
     }