refactor: remove unused imports from update_routes.py and requirements.txt

py/routes/update_routes.py

@@ -1,5 +1,4 @@
 import os
-import subprocess
 import aiohttp
 import logging
 import toml
@@ -7,7 +6,6 @@ import git
 import zipfile
 import shutil
 import tempfile
-from datetime import datetime
 from aiohttp import web
 from typing import Dict, List
 

requirements.txt

@@ -7,5 +7,4 @@ olefile
 toml
 numpy
 natsort
-pyyaml
 GitPython