Revert "quick settings: torch tile"

This reverts commit 9d1e349f6f30f4439c1ded3cf93bbed2dba90ad3.

Conflicts:
	packages/SystemUI/res/values/ras_strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsModel.java