[gnome-system-monitor] Remove compulsory_for_desktop

[Michael Catanzaro <mcatanzaro src gnome org>]

commit acf9bfc96848d93c4efe52a45c977c01e2c6bd34
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Nov 23 15:56:15 2020 +0000

    Remove compulsory_for_desktop
    
    https://gitlab.gnome.org/GNOME/gnome-software/-/issues/445

 gnome-system-monitor.appdata.xml.in | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/gnome-system-monitor.appdata.xml.in b/gnome-system-monitor.appdata.xml.in
index 7181f40e..03d05054 100644
--- a/gnome-system-monitor.appdata.xml.in
+++ b/gnome-system-monitor.appdata.xml.in
@@ -37,7 +37,6 @@
   </screenshots>
   <update_contact>robert.roth.off_at_gmail.com</update_contact>
   <project_group>GNOME</project_group>
-  <compulsory_for_desktop>GNOME</compulsory_for_desktop>
   <translation type="gettext">gnome-system-monitor</translation>
 
   <project_license>GPL-2.0</project_license>