sm8450-common: Use AOSP default Codec2/OMX ranks

debug.stagefright.ccodec=4
is the default value in frameworks.

debug.stagefright.omx_default_rank=0
was used to rank OMX SW codecs lower than OMX HW codecs
but we have removed all OMX SW codecs now.

Change-Id: Idf55ec02c2c0f4d2fa73f949cffef0d820a54570

properties/vendor.prop

@@ -174,8 +174,6 @@ ro.hardware.keystore_desede=true
 # Media
 debug.c2.use_dmabufheaps=1
 debug.stagefright.c2inputsurface=-1
-debug.stagefright.ccodec=4
-debug.stagefright.omx_default_rank=0
 vendor.media.omx=0
 
 # Perf