Updates 2/3
* Deleted unused file recovery_ui.c
* Clean up recovery_keys.c according to bootable/recovery/
* Revert init.sh modifications, no need for being different from official cm10

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I1e94132ca9491a34e8d5c817d639765401d60bd0