Remove update notification in task bar.

Updates are managed centrally now and users cannot
install them anyway.

roles/lmn_fvs/tasks/main.yml

@@ -50,6 +50,7 @@
       - pulseview
       - python3-websockets
       - qpdfview
+      - shellcheck
       - sigrok
       - sigrok-cli
       - tmux
@@ -64,6 +65,12 @@
   environment:
     http_proxy: '' # this is needed to avoid ttf-mscorefonts-installer picking up aptcacher
 
+- name: Remove update notifications from plasma-discover
+  apt:
+    name:
+      - plasma-discover
+    autoremove: true
+    state: absent
 
 - name: Make sure wireshark works for all users after installation and upgrades
   ansible.builtin.copy: