[gnome-control-center/network-gear-button-bg] network: Make the VPN gear buttons' style consistent with other butons

[Felipe Borges <felipeborges src gnome org>]

commit a4ecd4e212c0d2f7018cd919afb4a33257899108
Author: Felipe Borges <felipeborges gnome org>
Date:   Fri Feb 28 17:35:17 2020 +0100

    network: Make the VPN gear buttons' style consistent with other butons
    
    Fixes #890

 panels/network/network-vpn.ui | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/panels/network/network-vpn.ui b/panels/network/network-vpn.ui
index edc8fd728..8a7521ef0 100644
--- a/panels/network/network-vpn.ui
+++ b/panels/network/network-vpn.ui
@@ -63,9 +63,6 @@
                     <property name="can_focus">True</property>
                     <property name="receives_default">True</property>
                     <property name="use_underline">True</property>
-                    <style>
-                      <class name="image-button"/>
-                    </style>
                     <child>
                       <object class="GtkImage">
                         <property name="visible">True</property>