chore: remove obsolete workaround for broken notifications

Author: jnsgruk

snap/snapcraft.yaml

@@ -61,9 +61,6 @@ apps:
       # Correct the TMPDIR path for Chromium Framework/Electron to
       # ensure libappindicator has readable resources
       TMPDIR: $XDG_RUNTIME_DIR
-      # Included temporarily until https://github.com/snapcore/snapcraft-desktop-integration/issues/28
-      # is resolved.
-      NOTIFY_IGNORE_PORTAL: 1
     plugs:
       - shmem
       - home