kdrive: Remove vestigial reference to fbInitValidateTree

Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>

hw/kdrive/src/kdrive.c

@@ -909,10 +909,6 @@ KdScreenInit(ScreenPtr pScreen, int argc, char **argv)
         if (!(*card->cfuncs->finishInitScreen) (pScreen))
             return FALSE;
 
-#if 0
-    fbInitValidateTree(pScreen);
-#endif
-
     /*
      * Wrap CloseScreen, the order now is:
      *  KdCloseScreen