[gtk+] configure.ac: Remove some more obsolete macros

[Javier Jardón <jjardon src gnome org>]

commit 14eb34874a63719c77db36f10c615c70f9179e49
Author: Javier Jardón <jjardon gnome org>
Date:   Sun Feb 6 22:22:19 2011 +0000

    configure.ac: Remove some more obsolete macros
    
    AC_TYPE_SIGNAL: obsolete when assuming C89 or better
    AC_HEADER_SYS_WAIT: current systems are compatible with POSIX

 configure.ac |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 0c59ab2..5258164 100644
--- a/configure.ac
+++ b/configure.ac
@@ -847,10 +847,6 @@ AM_CONDITIONAL(INCLUDE_IM_TI_ET, [test x"$INCLUDE_ti_et" = xyes])
 AM_CONDITIONAL(INCLUDE_IM_VIQR, [test x"$INCLUDE_viqr" = xyes])
 AM_CONDITIONAL(INCLUDE_IM_XIM, [test x"$INCLUDE_xim" = xyes])
 
-AC_HEADER_SYS_WAIT
-
-AC_TYPE_SIGNAL
-
 # Checks to see whether we should include mediaLib
 # support.
 #