do not use user repo

tasks/flatpak.yaml

@@ -10,7 +10,6 @@
     name: flathub
     state: present
     flatpakrepo_url: https://dl.flathub.org/repo/flathub.flatpakrepo
-    method: user
   ignore_errors: "{{telegram_source != 'flatpak'}}"
 
 - name: telegram-desktop flatpak package