[epiphany] Remove unused avahi dependency

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 754af23c3b498595d99cc456b612c0949de9258e
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Thu Sep 29 12:01:15 2016 +0200

    Remove unused avahi dependency
    
    It was used by the old bookmarks subsystem

 configure.ac |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a0a6959..c2f04ef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -96,13 +96,10 @@ LIBGD_INIT([_view-common static])
 
 LT_LIB_M
 
-AVAHI_REQUIRED=0.6.22
 GLIB_REQUIRED=2.44.0
 GTK_REQUIRED=3.22.0
 WEBKITGTK_REQUIRED=2.13.2
 
-PKG_CHECK_MODULES([AVAHI_CLIENT], [avahi-client >= $AVAHI_REQUIRED])
-PKG_CHECK_MODULES([AVAHI_GOBJECT], [avahi-gobject >= $AVAHI_REQUIRED])
 PKG_CHECK_MODULES([CAIRO], [cairo])
 PKG_CHECK_MODULES([GCR], [gcr-3 >= 3.5.5])
 PKG_CHECK_MODULES([GDK], [gdk-3.0 >= $GTK_REQUIRED])