sm8450-common: Clean bluetooth properties up

Change-Id: Ia25a2ade5c5940e87574d6f228f44958bc673c7d

properties/vendor.prop

@@ -72,14 +72,9 @@ bluetooth.profile.pan.panu.enabled=true
 bluetooth.profile.pbap.server.enabled=true
 bluetooth.profile.sap.server.enabled=false
 persist.bluetooth.a2dp_offload.disabled=false
-persist.sys.fflag.override.settings_bluetooth_hearing_aid=true
-persist.vendor.bt.a2dp_offload_cap=sbc-aac-aptx-aptxhd-ldac
-persist.vendor.bt.aac_frm_ctl.enabled=true
-persist.vendor.bt.aac_vbr_frm_ctl.enabled=true
 persist.vendor.qcom.bluetooth.a2dp_mcast_test.enabled=false
 persist.vendor.qcom.bluetooth.a2dp_offload_cap=sbc-aac-aptx-aptxhd-ldac
 persist.vendor.qcom.bluetooth.aac_frm_ctl.enabled=true
-persist.vendor.qcom.bluetooth.aac_vbr_ctl.enabled=true
 persist.vendor.qcom.bluetooth.aptxadaptiver2_1_support=false
 persist.vendor.qcom.bluetooth.aptxadaptiver2_2_support=false
 persist.vendor.qcom.bluetooth.scram.enabled=false