[gtk+] Drop another unused bit of configury

[Matthias Clasen <matthiasc src gnome org>]

commit 270d7a41ce92bafaee5d9d25a46591b29f614760
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Aug 14 21:33:21 2014 -0400

    Drop another unused bit of configury
    
    pwd.h is not used anywhere in GTK+, so no need to check
    for it.

 configure.ac |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a24ec53..f686808 100644
--- a/configure.ac
+++ b/configure.ac
@@ -744,9 +744,6 @@ LIBS="$LIBS $GLIB_LIBS"
 AC_CHECK_FUNCS(bind_textdomain_codeset)
 LIBS=$gtk_save_LIBS
 
-AC_CHECK_HEADERS(pwd.h,
-                 AC_DEFINE(HAVE_PWD_H, 1,
-                           [Define to 1 if pwd.h is available]))
 AC_CHECK_HEADERS(sys/mman.h,
                  AC_DEFINE(HAVE_SYS_MMAN_H, 1,
                            [Define to 1 if mman.h is available]))