Sounds: Cleanup duplicate ringtones/alarms

Removes duplicates from AllAudio makefile and fixes title tag of
Promethium (from Platinum).

Change-Id: I767a846dbc5575ec9f86b1326e0b9f7aa015086b
immersive mode: don't unconfirm a package, that's just dumb

* This is very annoying for specialized apps
* See here for a great explanation http://stackoverflow.com/a/20309721
* The fact that it doesn't even notify the user until the NEXT time they
  run it makes it completely pointless in my opinion anyway.

Change-Id: I423611efc07d467e1d81c66d58adcff331be8b38