[libgee] Remove outdated method from AbstractSortedMap

[Maciej Marcin Piechotka <mpiechotka src gnome org>]

commit d58b4dd726f4b241daf185fdf22afb724a16c2c5
Author: Maciej Piechotka <uzytkownik2 gmail com>
Date:   Mon Aug 27 08:09:02 2012 -0700

    Remove outdated method from AbstractSortedMap

 gee/abstractsortedmap.vala |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)
---
diff --git a/gee/abstractsortedmap.vala b/gee/abstractsortedmap.vala
index 5ae22a1..90ec215 100644
--- a/gee/abstractsortedmap.vala
+++ b/gee/abstractsortedmap.vala
@@ -46,11 +46,6 @@ public abstract class Gee.AbstractSortedMap<K, V> : AbstractMap<K,V>, SortedMap<
 	 */
 	public abstract SortedSet<Map.Entry<K,V>> ascending_entries { owned get; }
 
-	/**
-	 * { inheritDoc}
-	 */
-	public abstract BidirMapIterator<K,V> bidir_map_iterator ();
-
 	private weak SortedMap<K,V> _read_only_view;
 	/**
 	 * The read-only view this map.