[gnome-system-monitor] Remove style classes from .ui file

[Stefano Facchini <sfacchini src gnome org>]

commit 4a262aa28d8188b5a7d24c1e1483e3812a2d837d
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Tue Aug 20 20:52:10 2013 +0200

    Remove style classes from .ui file
    
    They are set automatically in GTK+

 data/interface.ui |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/data/interface.ui b/data/interface.ui
index 76567fd..882347e 100644
--- a/data/interface.ui
+++ b/data/interface.ui
@@ -25,9 +25,6 @@
           <object class="GtkToggleButton" id="search_button">
             <property name="visible">True</property>
             <property name="action_name">win.search</property>
-            <style>
-              <class name="image-button"/>
-            </style>
             <child>
               <object class="GtkImage" id="search_image">
                 <property name="visible">True</property>
@@ -45,9 +42,6 @@
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="halign">end</property>
-            <style>
-              <class name="image-button"/>
-            </style>
             <child>
               <object class="GtkImage" id="menu_button_image">
                 <property name="visible">True</property>