[gnome-shell] system: Drop custom styling of user submenu icon

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit d4582491f540c0faad10d43e0f571eb4508ce173
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Jun 24 23:26:41 2019 +0200

    system: Drop custom styling of user submenu icon
    
    The default style we get from .popup-menu-icon actually works better,
    as it ensures consistency with all the other submenu icons used in
    the aggregate menu.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/591

 data/theme/gnome-shell-sass/_common.scss | 5 -----
 js/ui/status/system.js                   | 5 +----
 2 files changed, 1 insertion(+), 9 deletions(-)
---
diff --git a/data/theme/gnome-shell-sass/_common.scss b/data/theme/gnome-shell-sass/_common.scss
index 32a6df727..0b38c9c53 100644
--- a/data/theme/gnome-shell-sass/_common.scss
+++ b/data/theme/gnome-shell-sass/_common.scss
@@ -1155,11 +1155,6 @@ StScrollBar {
 
   // a little unstructured mess:
 
-  .system-switch-user-submenu-icon {
-    icon-size: 16px;
-    padding: 0 4px;
-  }
-
   #appMenu {
     spinner-image: url("resource:///org/gnome/shell/theme/process-working.svg");
     spacing: 4px;
diff --git a/js/ui/status/system.js b/js/ui/status/system.js
index a7aa171cf..68c20e224 100644
--- a/js/ui/status/system.js
+++ b/js/ui/status/system.js
@@ -186,10 +186,7 @@ var Indicator = class extends PanelMenu.SystemIndicator {
         let item;
 
         this._switchUserSubMenu = new PopupMenu.PopupSubMenuMenuItem('', true);
-        this._switchUserSubMenu.icon.set({
-            icon_name: 'avatar-default-symbolic',
-            style_class: 'system-switch-user-submenu-icon'
-        });
+        this._switchUserSubMenu.icon.icon_name = 'avatar-default-symbolic';
 
         // Since the label of the switch user submenu depends on the width of
         // the popup menu, and we can't easily connect on allocation-changed