Revert "Frameworks: Port BatteryBar (1/2)"

This reverts commit 3f6db54b4f368e73f3879cf5043fad5a5eafb3fd.
Revert "Keyguard: more consistency with the new lockscreen wallpaper"

This reverts commit 804781ae9967eaa05b7afd2dbc88d7f140ebd5e6.
Revert "My mistake"

This reverts commit b248649a8ae0027f0a160596c197b255543a0a9d.
Revert "Frameworks: Lockscreen custom wallpaper (1/2)"

This reverts commit 442179403ff21c909ce53d290ec7b7d5bf6072ea.