Quicksettings: Fix theming of basic tiles in edit mode

In edit mode the background of basic tiles was
overridden (not sure why), which broke theming.

We'll just remove this...

Change-Id: Ie80620b7385a1d8a59b737f0a4ae138c13e68ee6
Signed-off-by: Evan Anderson <evan@thelinuxman.us>
Merge "Quicksettings: Fix theming of basic tiles in edit mode" into kitkat