refactor: remove duplicate Flatpak entry and add Telegram desktop package

config/ansible/tasks/workstations/flatpaks.yml

@@ -30,7 +30,6 @@
     desired_system_flatpaks:
       - org.fkoehler.KTailctl
       - org.mozilla.Thunderbird
-      - io.github.kukuruzka165.materialgram
       - com.spotify.Client
       - org.gnome.Extensions
       - com.endlessnetwork.aqueducts
@@ -74,6 +73,7 @@
       - io.bassi.Amberol
       - org.gaphor.Gaphor
       - io.github.seadve.Mousai
+      - org.telegram.desktop
 
 - name: Define system desired Flatpak remotes
   ansible.builtin.set_fact: