Revert "[2/2] SystemUI: Add percent only and none options for battery icon"

This reverts commit beb7349cbf31cd2e7928929658c73183443388b9.
Revert "Fix Chameleon Engine Battery view"

This reverts commit 04c9d766fe6ff71516ca5204a3c79785f9adfd67.
Revert "Update custom_style"

This reverts commit ba4842f948501441a23e43c76299db11b6aaa63f.
Revert "[1/2] Frameworks: Optional statusbar battery icons"

This reverts commit d1275ec5b92983a8f3b21bc955add14d2a007147.