Revert "Update all QS drawables to fit KitKat"

This reverts commit 1b9f7579a5ed8d9b441508c2673861dd0dbb24e6.
QuickSettings: Update all QS drawables to fit KitKat

- Recolored all drawables according to the new color theme
- Recreated some drawables to be able to include all in xxhdpi
- Remove some unused drawables

Change-Id: Ib5430059f67ff73677821122b8f2037094ba90c5