sm8350-common: Drop unnecessary audio properties

They are not set on stock either

Change-Id: Ic5e54eb61d1c4cf3f39779034b8ffda577082bb5

vendor.prop

@@ -3,8 +3,6 @@ aaudio.hw_burst_min_usec=2000
 aaudio.mmap_exclusive_policy=2
 aaudio.mmap_policy=1
 af.fast_track_multiplier=1
-audio.deep_buffer.media=true
-audio.offload.video=true
 persist.vendor.audio.ambisonic.auto.profile=false
 persist.vendor.audio.ambisonic.capture=false
 persist.vendor.audio.apptype.multirec.enabled=false
@@ -20,7 +18,6 @@ persist.vendor.audio.ring.filter.mask=0
 persist.vendor.audio.speaker.prot.enable=false
 persist.vendor.audio.spv4.enable=true
 persist.vendor.audio.voicecall.speaker.stereo=true
-ro.af.client_heap_size_kbyte=7168
 ro.audio.monitorRotation=true
 ro.vendor.audio.scenario.support=true
 ro.vendor.audio.sdk.fluencetype=fluence