Fix import formatting and sorting

Ruff formatting fixes for import organization.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

backend/app/routers/config_misc.py

@@ -11,11 +11,6 @@ from app.dependencies import (
     Fail2BanSocketDep,
     Fail2BanStartCommandDep,
 )
-from app.exceptions import (
-    ConfigOperationError,
-    Fail2BanConnectionError,
-    JailOperationError,
-)
 from app.models.config import (
     Fail2BanLogResponse,
     GlobalConfigResponse,