Fix import formatting and sorting

Ruff formatting fixes for import organization.

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

backend/app/routers/blocklist.py

@@ -44,7 +44,7 @@ from app.models.blocklist import (
     ScheduleConfig,
     ScheduleInfo,
 )
-from app.services import ban_service, blocklist_service, geo_service
+from app.services import ban_service, blocklist_service
 from app.tasks.blocklist_import import run_import_with_resources
 
 router: APIRouter = APIRouter(prefix="/api/blocklists", tags=["Blocklists"])