sapphire: Remove obsolete SurfaceFlinger properties

* debug.sf.hw & debug.egl.hw were removed.

configs/properties/vendor.prop

@@ -180,14 +180,12 @@ dalvik.vm.dex2oat-threads=4
 drm.service.enabled=true
 
 # Display
-debug.egl.hw=0
 debug.mdpcomp.logs=0
 debug.hwui.skia_atrace_enabled=false
 debug.sf.auto_latch_unsignaled=0
 debug.sf.disable_backpressure=1
 debug.sf.enable_hwc_vds=1
 debug.sf.enable_transaction_tracing=false
-debug.sf.hw=0
 debug.sf.predict_hwc_composition_strategy=0
 debug.sf.treat_170m_as_sRGB=1
 debug.sf.enable_gl_backpressure=0