Revert "set refresh rate"

This reverts commit 1d409b024d365b19e6669e0666758d4fb679e746.
Revert "audio: using qcom legacy audio and media_profile.conf"

This reverts commit 7b0e33b6be0c58647ed0094801deb9047513dc11.
Revert "update optimizations"

This reverts commit ad174506651b08b3b7961f7364eb6b813f6bc1a4.