Revert "Clear All button added in  Recent Panelview. Ref: https://github.com/temasek/android_frameworks_base/commit/a129580ee886b48c124de716236c2bae2b93a77b"

This was mistake.. Sorry for trouble.

This reverts commit f29f4056d2ea83de1767f47ea698dd20830f5c4a.

Change-Id: Ie1991131c11293ee812cfeca0db4c372061eb62a

Conflicts:
	packages/SystemUI/res/layout-land/status_bar_recent_panel.xml
	packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java

Signed-off-by: CullenDev <cullendev@gmail.com>