[gnome-shell-extensions] classic: Remove arrow-override

[Marge Bot <marge-bot src gnome org>]

commit 8fcbed648164b739e1446cecdb8d5447b2bed6c4
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Jan 26 17:00:24 2021 +0100

    classic: Remove arrow-override
    
    No need to hide what is no longer there.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3567
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/merge_requests/156>

 data/gnome-classic.scss | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/data/gnome-classic.scss b/data/gnome-classic.scss
index c4d95c9..750a9f5 100644
--- a/data/gnome-classic.scss
+++ b/data/gnome-classic.scss
@@ -81,7 +81,6 @@ $variant: 'light';
     border-bottom: none;
     .panel-button { color: $osd_fg_color; }
   }
-  .popup-menu-arrow { width: 0; height: 0;  } // shell's display: none;
 }
 
 #appMenu {