xorg ddx: move to new input API, remove old keyboard driver

Remove most of the rest of the old keyboard driver.
Move to the new Get{Keyboard,Pointer}Events API, which is mostly
complete at this stage: just missing the proximity events.

hw/xfree86/loader/xf86sym.c

@@ -293,7 +293,6 @@ _X_HIDDEN void *xfree86LookupTab[] = {
     SYMFUNC(xf86SoundKbdBell)
     SYMFUNC(xf86GARTCloseScreen)
 #ifdef XINPUT
-    /* XISB routines  (Merged from Metrolink tree) */
     SYMFUNC(XisbNew)
     SYMFUNC(XisbFree)
     SYMFUNC(XisbRead)
@@ -695,7 +694,6 @@ _X_HIDDEN void *xfree86LookupTab[] = {
     /* xf86Xinput.c */
 #ifdef XINPUT
     SYMFUNC(xf86ProcessCommonOptions)
-    SYMFUNC(xf86IsCorePointer)
     SYMFUNC(xf86PostMotionEvent)
     SYMFUNC(xf86PostProximityEvent)
     SYMFUNC(xf86PostButtonEvent)
@@ -704,13 +702,9 @@ _X_HIDDEN void *xfree86LookupTab[] = {
     SYMFUNC(xf86GetMotionEvents)
     SYMFUNC(xf86MotionHistoryAllocate)
     SYMFUNC(xf86FirstLocalDevice)
-    SYMFUNC(xf86eqEnqueue)
     SYMFUNC(xf86ActivateDevice)
-/* The following segment merged from Metrolink tree */
     SYMFUNC(xf86XInputSetScreen)
     SYMFUNC(xf86ScaleAxis)
-    SYMFUNC(xf86XInputSetSendCoreEvents)
-/* End merged segment */
 #endif
 #ifdef DPMSExtension
     SYMFUNC(DPMSGet)