Remove duplicate notifications

Acrux=Antares and Bellatrix=Betelgeuse.

I'm guessing these are duplicate due to differing
names. I believe Antares and Betelgeuse are the names
in AOSP, so leaving those two.

Change-Id: Ie58b20039bb4343c9907fc5bc31e099fd942bb87
Audio: Organize, include only newer ringtones

Change-Id: I8480bab6aee378db137630262015dcd14436aa12