miniflux: Revert workaround for a packaging bug with DB connection

This reverts commit 9af9a504e09b8021041a7d8fe4540574f42edc1c.

This workaround is no longer needed as the file is no longer used.
Reverted as per:
https://salsa.debian.org/freedombox-team/freedombox/-/merge_requests/2752#note_728315

**plinth/modules/miniflux/__init__.py**

- Keep version bump

**plinth/modules/miniflux/privileged.py**

- Keep docstring fix

Reviewed-by: Sunil Mohan Adapa <sunil@medhas.org>

plinth/modules/miniflux/__init__.py

@@ -105,7 +105,6 @@ class MinifluxApp(app_module.App):
                 'shared-daemon-miniflux-postgresql').ensure_running():
             super().setup(old_version)
 
-        privileged.setup(old_version)
         if not old_version:
             self.enable()
 

plinth/modules/miniflux/privileged.py

@@ -4,7 +4,6 @@
 import json
 import os
 import pathlib
-import shutil
 from typing import Tuple
 from urllib.parse import urlparse
 
@@ -55,20 +54,6 @@ def pre_setup():
     vars_file.write_text(_dict_to_env_file(new_settings))
 
 
-@privileged
-def setup(old_version: int):
-    """Perform post-install actions for Miniflux."""
-    # Fix incorrect permissions on database file in version 2.2.0-2. See
-    # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1081562 . Can be
-    # removed after the fix for the bug reaches Trixie/testing.
-    shutil.chown(DATABASE_FILE, user='miniflux', group='root')
-    if not old_version or action_utils.service_is_enabled('miniflux'):
-        # If the service was tried too many times already, it won't
-        # successfully restart.
-        action_utils.service_reset_failed('miniflux')
-        action_utils.service_restart('miniflux')
-
-
 def _run_miniflux_interactively(command: str, username: str,
                                 password: str) -> Tuple[str, dict]:
     """Fill interactive terminal prompt for username and password."""