🔥 Remove isort configuration, since we use Ruff now (#1144)

Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>

backend/scripts/format.sh

@@ -1,6 +1,5 @@
 #!/bin/sh -e
 set -x
 
-autoflake --remove-all-unused-imports --recursive --remove-unused-variables --in-place app --exclude=__init__.py
-black app
-isort --recursive --apply app
+ruff check app scripts --fix
+ruff format app scripts