Remove Slim heads up customizations [1/2]

Revert "Frameworks: Be sure heads up view is attached before removing it"

This reverts commit 45885796bf1a6e0907eb158114c63e3250cfa3d7.

Revert "Frameworks: Only set package name on user heads ups"

This reverts commit eb7564ea15357dad3879c71633c03858f469c898.

Revert "Framworks: Possibly construct ticker views if user changed settings."

This reverts commit ed8a2479cdbaf5b869a20dd656a4ad6e33641ef2.

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

Revert "Frameworks: Slim heads up customizations for LP (1/2)"

This reverts commit d28de0b39a1257ee15a140497d4393527252a79e.

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java