Revert "Settings: TRDS 3.0 and new theme engine preparation (4/4)"

This reverts commit 19d50add5d4c021291713ecea4bcca4bb95bf9d9.

Conflicts:

	res/values/cr_arrays.xml
	res/values/cr_strings.xml
	res/xml/settings_headers.xml
Settings: port TRDS
credit SlimRoms
  - an all inclusive patch for trds minus the theme engine
    since we support cm theme chooser