settings: Remove ZRAM settings

 * Android has proper ZRAM support builtin now, and this code doesn't
   even work. Remove it.

Change-Id: I39cb20809d5c71683bffc578057ad39363c5066e

Conflicts:

	res/values-pt/cm_strings.xml
Settings: Custom Tiles (2/2)

PS1: Reinvent logic from initial
	implementation
PS3: Unlock/Collapse Shade options
	and clean-up.
PS4: Remove unlock option.
	Too complex for average use.
PS5: Snip >100 line length =/
PS6: Fix potential NPE on rotation.
	Add scrollview to layout
	to allow scrolling if dialog
	is too large for screen
	(landscape)
PS7: Rebase on Fix tile index
PS9: Add reset buttons

Change-Id: I06d773aa87bd6c1b88077ad54333a58d03f783c8

Patchset: 9
https://gerrit.slimroms.net/#/c/1335/
Build V27.2
Merge branch 'cm-11.0' of https://github.com/temasek/android_packages_apps_Settings into cm-11.0