INT 6F - HP Vectra EX-BIOS - "F_TRACK_OFF" - DISABLE CURSOR TRACKING
	AH = 08h
	BP = 005Ah (driver ID for V_STRACK)
Return: AH = status (see #03744)
	BP,DS destroyed
Note:	also removes the graphics cursor sprite from the screen
SeeAlso: AH=00h"HP Vectra",AH=04h"F_TRACK_INIT",AH=06h"F_TRACK_ON"
SeeAlso: AH=0Ah"F_DEF_MASKS",AH=0Ch"F_SET_LIMITS_X"