Revert "Frameworks: port SlimSeekBarPreference to SlimLP"

This reverts commit 1095c308b8fcf58199cf90aa4c0ae2b5e91c430b.
Revert "[1/2] Frameworks: Doze (ambient display) timeout"

This reverts commit c62ae20bc786cb4189c960588b0fa36f12cfdc63.