[gnome-initial-setup/meson-port] build: Remove no longer needed dependency on ISO codes

[Joaquim Rocha <jrocha src gnome org>]

commit a968f366c1f2321b783dbab76218599d638d02e1
Author: Joaquim Rocha <jrocha endlessm com>
Date:   Tue Jul 24 12:01:04 2018 +0200

    build: Remove no longer needed dependency on ISO codes
    
    This dependency seems to have been used for the gdm-languages.c file
    that has been deleted in the fe2479619e341cb8cdec142bcb25cbe3b94140db
    commit a long time ago. So this patch drops the dependency.

 configure.ac | 6 ------
 1 file changed, 6 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index fe0b043..ade8008 100644
--- a/configure.ac
+++ b/configure.ac
@@ -124,12 +124,6 @@ AC_SUBST(KRB5_LIBS)
 INITIAL_SETUP_CFLAGS="$INITIAL_SETUP_CFLAGS $KRB5_CFLAGS"
 INITIAL_SETUP_LIBS="$INITIAL_SETUP_LIBS $KRB5_LIBS"
 
-# This is a hard-dependency for the region and user-accounts panels
-PKG_CHECK_MODULES(ISOCODES, iso-codes)
-
-AC_DEFINE_UNQUOTED([ISO_CODES_PREFIX],["`$PKG_CONFIG --variable=prefix iso-codes`"],[ISO codes prefix])
-ISO_CODES=iso-codes
-
 AC_SUBST(INITIAL_SETUP_CFLAGS)
 AC_SUBST(INITIAL_SETUP_LIBS)