[gnome-boxes] util-app: Drop unused method

[Felipe Borges <felipeborges src gnome org>]

commit 3e88b72acbafca56ce16c072dbaf29d4b05b0480
Author: Felipe Borges <felipeborges gnome org>
Date:   Thu Jan 4 14:42:27 2018 +0100

    util-app: Drop unused method
    
    This method depended on libgd, which we plan to drop soon.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=792204

 src/util-app.vala |   10 ----------
 1 files changed, 0 insertions(+), 10 deletions(-)
---
diff --git a/src/util-app.vala b/src/util-app.vala
index 2428e18..aba87cf 100644
--- a/src/util-app.vala
+++ b/src/util-app.vala
@@ -563,16 +563,6 @@ namespace Boxes {
         }
     }
 
-    // shamelessly copied from gnome-documents
-    public GLib.Icon create_symbolic_emblem (string name) {
-        var pix = Gd.create_symbolic_icon (name, 128);
-
-        if (pix == null)
-            pix = new GLib.ThemedIcon (name);
-
-        return pix;
-    }
-
     public Gdk.Pixbuf? paint_empty_frame (int width, int height, double radius, Gdk.RGBA border_color, 
Gdk.RGBA? bg_color) {
         var surface = new Cairo.ImageSurface (Cairo.Format.ARGB32, width, height);
         var cr = new Cairo.Context (surface);