[gtkhtml] Remove redundant check for gthread-2.0.

[Matthew Barnes <mbarnes src gnome org>]

commit 03691b285f108255fc7c2d203a2de3e1bbfb6f92
Author: Matthew Barnes <mbarnes redhat com>
Date:   Mon Aug 2 10:16:54 2010 -0400

    Remove redundant check for gthread-2.0.
    
    gtk+-2.0 and gtk+-3.0 both require gthread-2.0.

 configure.ac |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 5cc812d..bcb6516 100644
--- a/configure.ac
+++ b/configure.ac
@@ -156,14 +156,6 @@ AC_SUBST(GAIL_LIBS)
 AC_SUBST(GAIL_MODULES)
 
 dnl **********************************
-dnl GTHREAD modules
-dnl **********************************
-GTHREAD_MODULES="gthread-2.0"
-PKG_CHECK_MODULES(GTHREAD, $GTHREAD_MODULES)
-AC_SUBST(GTHREAD_CFLAGS)
-AC_SUBST(GTHREAD_LIBS)
-
-dnl **********************************
 dnl GTKHTML modules
 dnl **********************************
 GTKHTML_MODULES="$GTK_PACKAGE >= $gtk_minimum_version enchant >= enchant_minimum_version gconf-2.0 iso-codes"