Xi: XINPUT has been mandatory for ages

Ditch all #ifdef XINPUT, since it's always built.

Signed-off-by: Peter Hutterer <peter.hutterer@redhat.com>

hw/xfree86/common/xf86Events.c

@@ -68,12 +68,9 @@
 #include "dgaproc.h"
 #endif
 
-#ifdef XINPUT
 #include <X11/extensions/XI.h>
 #include <X11/extensions/XIproto.h>
-#else
 #include "inputstr.h"
-#endif
 #include "xf86Xinput.h"
 
 #include "mi.h"

hw/xfree86/loader/dixsym.c

@@ -383,9 +383,6 @@ _X_HIDDEN void *dixLookupTab[] = {
 #ifdef PANORAMIX
     SYMVAR(noPanoramiXExtension)
 #endif
-
-    SYMVAR(noXInputExtension)
-
 #ifdef XSELINUX
     SYMVAR(noSELinuxExtension)
 #endif