Remove cm clear all button [1/2]

Revert "[Base]: recents panel clear all button tweaks"

This reverts commit c1c377b70af61b02c1a2c5fbfca417b2db43d13b.

Revert "Fix up 'clear recents' UX."

This reverts commit dfe8e7f33cc6bb8135f1dfffebfd8e66c4f39635.

Revert "Fix - place Clear Recents button above the nav bar"

This reverts commit b153b04987c096d20521d29268fa1e57d7056bbb.

Revert "Add clear all recents action to recents panel"

This reverts commit 3adbbd93be89992ba9fdfb3b0c084a6c35503126.

Conflicts:
	packages/SystemUI/res/values/strings.xml
Clear Recent Apps (From NavBar)

Original author: TheMrcool212

this is not using cm's clear recents way, cm uses a button to clear recents but mrcool coded like pa's way at kk based pa roms so navbar recents button turns to clear all button when you open recents menu.
Reimplement Navigation bar height