Move lockscreen to using haptic feedback setting.

This removes lockscreen-specific "Vibrate on touch" setting, and
changes it to use the haptic feedback setting instead.

Bug: 7318772
Change-Id: Id6931903b3ebeca6aeacef9b127490a381cd40b4

src/com/android/settings/ChooseLockPattern.java

@@ -521,7 +521,6 @@ public class ChooseLockPattern extends PreferenceActivity {
 
             if (lockVirgin) {
                 utils.setVisiblePatternEnabled(true);
-                utils.setTactileFeedbackEnabled(false);
             }
 
             getActivity().setResult(RESULT_FINISHED);