Settings: Squashed commit: Remove navbar customization settings part(again)

Squashed commit of the following:

commit f799248035f26d3115c407fa8a1ba2a9800b0b8a
Author: MrBaNkS <banksmi09@gmail.com>
Date:   Sat May 24 19:18:33 2014 -0500

    Revert "Revert "Revert "Navigation bar buttons customization"""

    This reverts commit 076eb290254c292f2e4594e63de71ca4348a3b82.

commit 6f292a59333afe84ae0500a270722c819f17046f
Author: MrBaNkS <banksmi09@gmail.com>
Date:   Sat May 24 19:18:14 2014 -0500

    Revert "Buttons and layout > Buttons & layout"

    This reverts commit b74255832b881a6495459e0848608160c98c17b8.

commit 590988a945e7293858dccb88572c87adc840171f
Author: MrBaNkS <banksmi09@gmail.com>
Date:   Sat May 24 19:17:45 2014 -0500

    Revert "Use holo alert drawable for nav bar editor"

    This reverts commit ba74aaa78f6f26ac06f21df5a922fead15dfd032.
Merge https://github.com/rascarlo/android_packages_apps_settings into kk