[glibmm] Gio::FileIcon: Remove unncessary IMPLEMENTS_INTERFACE

[Murray Cumming <murrayc src gnome org>]

commit 6ad5850de9f17a3101cc95175c336a979bcb6e06
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Aug 21 22:18:54 2015 +0200

    Gio::FileIcon: Remove unncessary IMPLEMENTS_INTERFACE

 gio/src/fileicon.hg |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gio/src/fileicon.hg b/gio/src/fileicon.hg
index ed73c8b..35d1a7a 100644
--- a/gio/src/fileicon.hg
+++ b/gio/src/fileicon.hg
@@ -38,7 +38,6 @@ class FileIcon
   public LoadableIcon
 {
   _CLASS_GOBJECT(FileIcon, GFileIcon, G_FILE_ICON, Glib::Object, GObject)
-  _IMPLEMENTS_INTERFACE(Icon)
   _IMPLEMENTS_INTERFACE(LoadableIcon)
 
 protected: