Messaging: Remove unused code

Change-Id: I8093bb3e305ae323f7069bf42f9e83f8c8647cc7

src/com/android/messaging/receiver/SmsReceiver.java

@@ -39,7 +39,6 @@ import java.util.regex.Pattern;
 import com.android.messaging.Factory;
 import com.android.messaging.R;
 import com.android.messaging.datamodel.BugleNotifications;
-import com.android.messaging.datamodel.MessageNotificationState;
 import com.android.messaging.datamodel.NoConfirmationSmsSendService;
 import com.android.messaging.datamodel.action.ReceiveSmsMessageAction;
 import com.android.messaging.sms.MmsUtils;
@@ -164,17 +163,6 @@ public final class SmsReceiver extends BroadcastReceiver {
         }
     }
 
-    private static class SecondaryUserNotificationState extends MessageNotificationState {
-        SecondaryUserNotificationState() {
-            super(null);
-        }
-
-        @Override
-        protected Style build(Builder builder) {
-            return null;
-        }
-    }
-
     public static void postNewMessageSecondaryUserNotification() {
         final Context context = Factory.get().getApplicationContext();
         final Resources resources = context.getResources();