[gnome-contacts] Remove unused method

[Philip Withnall <pwithnall src gnome org>]

commit fe2d87f17a038f3ed490af95b7612c6a8140b113
Author: Philip Withnall <philip tecnocode co uk>
Date:   Sun Aug 4 10:01:24 2013 +0200

    Remove unused method

 src/contacts-linking.vala |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/src/contacts-linking.vala b/src/contacts-linking.vala
index e864c18..6ad7a8c 100644
--- a/src/contacts-linking.vala
+++ b/src/contacts-linking.vala
@@ -493,10 +493,6 @@ namespace Contacts {
       a.property_name == b.property_name;
   }
 
-  internal uint attr_type_hash (PersonaAttribute key) {
-    return (uint)key.get_type() ^ key.property_name. hash ();
-  }
-
   public static async void persona_apply_attributes (Persona persona,
                                                     Set<PersonaAttribute>? added_attributes,
                                                     Set<PersonaAttribute>? removed_attributes,