Remove audio files per author request

Original author Dennis Cleiren has contacted us and asked
to remove 5 audio files that were not intended to be
merged (miscommunication with codeworkx of original patches).

For reference:
http://review.cyanogenmod.org/#/c/13215/
http://review.cyanogenmod.org/#/c/16482/

Change-Id: Idad43b62f2d3fbf593b80b56ee129dd6b98e30eb

config/cm_audio.mk

@@ -16,7 +16,6 @@ PRODUCT_COPY_FILES += \
 PRODUCT_COPY_FILES += \
 	$(NOTIFICATION_PATH)/CyanMail.ogg:system/media/audio/notifications/CyanMail.ogg \
 	$(NOTIFICATION_PATH)/CyanMessage.ogg:system/media/audio/notifications/CyanMessage.ogg \
-	$(NOTIFICATION_PATH)/CyanPing.ogg:system/media/audio/notifications/CyanPing.ogg \
 	$(NOTIFICATION_PATH)/Doink.ogg:system/media/audio/notifications/Doink.ogg \
 	$(NOTIFICATION_PATH)/Laser.ogg:system/media/audio/notifications/Laser.ogg \
 	$(NOTIFICATION_PATH)/Naughty.ogg:system/media/audio/notifications/Naughty.ogg \
@@ -26,13 +25,9 @@ PRODUCT_COPY_FILES += \
 
 # Ringtones
 PRODUCT_COPY_FILES += \
-	$(RINGTONE_PATH)/Bongo.ogg:system/media/audio/ringtones/Bongo.ogg \
 	$(RINGTONE_PATH)/Boxbeat.ogg:system/media/audio/ringtones/Boxbeat.ogg \
 	$(RINGTONE_PATH)/CyanTone.ogg:system/media/audio/ringtones/CyanTone.ogg \
-	$(RINGTONE_PATH)/Gigolo.ogg:system/media/audio/ringtones/Gigolo.ogg \
 	$(RINGTONE_PATH)/Highscore.ogg:system/media/audio/ringtones/Highscore.ogg \
-	$(RINGTONE_PATH)/House_of_house.ogg:system/media/audio/ringtones/House_of_house.ogg \
 	$(RINGTONE_PATH)/Lyon.ogg:system/media/audio/ringtones/Lyon.ogg \
 	$(RINGTONE_PATH)/Rockin.ogg:system/media/audio/ringtones/Rockin.ogg \
-	$(RINGTONE_PATH)/Silmarillia.ogg:system/media/audio/ringtones/Silmarillia.ogg