Remove mGerrit

It's useless for me and can be downloaded via Google Play.

Signed-off-by: kecinzer <kecinzer@gmail.com>
Removed LockClock widget

Since transparent lockscreen its unusable for me and can be downloaded here
https://play.google.com/store/apps/details?id=com.dvtonder.chronus

Signed-off-by: kecinzer <kecinzer@gmail.com>