We don't ship Discover right now, and this gives users a broken app icon
by default.

See-also: https://git.adelielinux.org/adelie/packages/-/issues/1115

--- plasma-desktop-5.24.5/applets/taskmanager/package/contents/config/main.xml.old	2022-05-03 05:31:25.000000000 -0500
+++ plasma-desktop-5.24.5/applets/taskmanager/package/contents/config/main.xml	2023-11-25 06:21:00.002184051 -0600
@@ -81,7 +81,7 @@
     </entry>
     <entry name="launchers" type="StringList">
       <label>The list of launcher tasks on the widget. Usually .desktop file or executable URLs. Special URLs such as preferred://browser that expand to default applications are supported.</label>
-      <default>applications:systemsettings.desktop,applications:org.kde.discover.desktop,preferred://filemanager,preferred://browser</default>
+      <default>applications:systemsettings.desktop,preferred://filemanager,preferred://browser</default>
     </entry>
     <entry name="middleClickAction" type="Enum">
       <label>What to do on middle-mouse click on a task button.</label>