[gtk+] Drop unused automake condition for XI2

[Matthias Clasen <matthiasc src gnome org>]

commit f8fccae852be3cf7c24f3c5f09a10d9cf3c65a21
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Mar 10 23:15:12 2012 -0500

    Drop unused automake condition for XI2
    
    We fail the build if XI2 is not present, nowadays.

 configure.ac |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 6e64534..2d351b0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1136,8 +1136,6 @@ if test "x$enable_x11_backend" = xyes; then
     fi
   fi
 
-  AM_CONDITIONAL(XINPUT_2,     test "x$have_xinput2" = "xyes")
-
   AS_IF([test "x$have_xinput2" != "xyes"],
         [AC_MSG_ERROR([*** XInput2 extension not found. Check 'config.log' for more details.])])
 
@@ -1220,7 +1218,6 @@ if test "x$enable_x11_backend" = xyes; then
 else
   XPACKAGES=
 
-  AM_CONDITIONAL(XINPUT_2, false)
   AM_CONDITIONAL(USE_X11, false)
   AM_CONDITIONAL(HAVE_X11R6, false)
 fi