[gitg] Remove unused method 'remove_section()'

[Ignacio Casal Quinteiro <icq src gnome org>]

commit dd63634192616083588e79fabb3f7c7b88a8e83d
Author: Techlive Zheng <techlivezheng gmail com>
Date:   Mon Jun 3 15:00:54 2013 +0800

    Remove unused method 'remove_section()'

 plugins/history/gitg-history-navigation.vala |   32 --------------------------
 1 files changed, 0 insertions(+), 32 deletions(-)
---
diff --git a/plugins/history/gitg-history-navigation.vala b/plugins/history/gitg-history-navigation.vala
index 87b7c82..60f58fa 100644
--- a/plugins/history/gitg-history-navigation.vala
+++ b/plugins/history/gitg-history-navigation.vala
@@ -368,38 +368,6 @@ namespace GitgHistory
                        ++d_sections;
                }
 
-               private void remove_section(uint section)
-               {
-                       Gtk.TreeIter iter;
-
-                       if (!get_iter_first(out iter))
-                       {
-                               return;
-                       }
-
-                       while (true)
-                       {
-                               uint s;
-
-                               @get(iter, Column.SECTION, out s);
-
-                               if (s == section)
-                               {
-                                       if (!base.remove(ref iter))
-                                       {
-                                               break;
-                                       }
-                               }
-                               else
-                               {
-                                       if (!iter_next(ref iter))
-                                       {
-                                               break;
-                                       }
-                               }
-                       }
-               }
-
                public new void clear()
                {
                        base.clear();