Revert "Reset resample hist on keyon, round up read."

This reverts commit 3edebbfba9d13e26e736107cb8fb8ad4efb65a8d.
Revert "Actually use the resample buffer."

This reverts commit dc5d17971c9821afc7d44829235c799788ef724e.
Revert "Optimize mixing samples at common pitches."

This reverts commit dd434cd7c5dd35bc8b82b4a2e00f2787300c61e9.

Conflicts:
	Core/HW/SasAudio.cpp
Revert "Smooth SAS resampling when pitch != 0x1000."

This reverts commit 1efcebb1210e6edb9691205b42c18c6a8fd0bd3a.
Merge pull request #5551 from unknownbrackets/sas-minor

Revert resampling changes