data: sounds: cleanup ogg

remove duplicates from AllAudio.mk and remove its.

method for checking:
* cat data/sounds/AllAudio.mk | sed "s/.*://g" | tr "[:upper:]" "[:lower:]" | uniq -c

duplicates:
* notifications/ogg/Arcturus.ogg > notifications/arcturus.ogg
* notifications/ogg/Vega.ogg > notifications/vega.ogg
* ringtones/material/ogg/Atria.ogg > ringtones/ogg/Atria.ogg
* ringtones/material/ogg/Pyxis.ogg > ringtones/ogg/Pyxis.ogg

Change-Id: I91e74eed60720ffa58c23639b6108d41858e6d4c
Signed-off-by: 5x <droidfivex@gmail.com>