sm8450-common: Remove software omx codec references

These are no longer available as of Android 14 QPR3. The C2 codecs
available by default in the swcodec apex will be used instead.

Change-Id: I8cdf3e700823779a7382c66c3df8410d41209b7c

proprietary-files.txt

@@ -448,7 +448,6 @@ vendor/etc/media_codecs_performance_taro.xml
 vendor/etc/media_codecs_performance_ukee.xml
 vendor/etc/media_codecs_taro.xml
 vendor/etc/media_codecs_ukee.xml
-vendor/etc/media_codecs_vendor_audio.xml
 vendor/etc/media_diwali_v0/video_system_specs.json
 vendor/etc/media_diwali_v1/video_system_specs.json
 vendor/etc/media_diwali_v2/video_system_specs.json