Because the library x11/library/libxxf86misc is now obsoleted in OpenIndiana, wont uses it any more

diff --git a/configure.ac b/configure.ac
index 7696c85..683ca8a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -213,12 +213,6 @@ dnl ---------------------------------------------------------------------------
 dnl - Keyboard plugin stuff
 dnl ---------------------------------------------------------------------------
 
-AC_CHECK_X_LIB(Xxf86misc, XF86MiscQueryExtension, [
-  AC_CHECK_X_HEADERS([X11/extensions/xf86misc.h],
-      [XF86MISC_LIBS="-lXxf86misc"], :,
-      [#include <X11/Xlib.h>])], : ,
-      -lXxf86misc $x_libs)
-AC_SUBST(XF86MISC_LIBS)
 AC_CHECK_X_HEADERS([X11/extensions/XKB.h])
 
 PKG_CHECK_MODULES(LIBGNOMEKBDUI, [libgnomekbdui >= 2.31.2 libgnomekbd >= 2.29.5 libxklavier >= 5.0])