Revert "[1/2] Settings: Ad blocker"

This reverts commit 7c755f4fd1a747d034a4bfc988ec14ec3cc83113.

Conflicts:

	res/values/spirit_strings.xml

Change-Id: I838cabfff46a759224a7f16fe57fa2b9b16b857f
Settings: add equalizer tile toggle

Change-Id: I51b34e34a7e6305bc5ced0672eb2aa7e8db45057
Signed-off-by: Roman Birg <roman@cyngn.com>
Correct string for left-handed mode

Change-Id: Iee951db7642a487b9ca94f1264b9cd2e2a4390be
Settings: Remove "Make pattern visible" regardless.

  - Previous logic depended on all pattern lock elements to be
    null prior to removing the preferences. Remove them one by
    one if they exist now.

  - PS #3: Add braces.

Change-Id: If34bc305eddda2985b37bd55349e4bb5d9b63154