[gtk+] sidebarrow: Remove useless size group

[Timm Bäder <baedert src gnome org>]

commit 03bfdce406a4873025f266708b5e8c70e13996af
Author: Timm Bäder <mail baedert org>
Date:   Wed Apr 26 11:37:58 2017 +0200

    sidebarrow: Remove useless size group
    
    Nice try, but size groups don't work with invisible widgets anyway.
    Invisible widgets request 0×0.

 gtk/ui/gtksidebarrow.ui |    9 ---------
 1 files changed, 0 insertions(+), 9 deletions(-)
---
diff --git a/gtk/ui/gtksidebarrow.ui b/gtk/ui/gtksidebarrow.ui
index 39bff56..9d92bc1 100644
--- a/gtk/ui/gtksidebarrow.ui
+++ b/gtk/ui/gtksidebarrow.ui
@@ -51,13 +51,4 @@
       </object>
     </child>
   </template>
-  <!-- We need it to not make the row smaller when the eject button is hidden -->
-  <object class="GtkSizeGroup">
-    <property name="mode">vertical</property>
-    <widgets>
-      <widget name="eject_button"/>
-      <widget name="label_widget"/>
-      <widget name="icon_widget"/>
-    </widgets>
-  </object>
 </interface>