remove unnecessary imports

files/helpers/const.py

@@ -1,4 +1,4 @@
-from os import environ, listdir
+from os import environ
 import re
 from copy import deepcopy
 from json import loads

files/routes/asset_submissions.py

@@ -1,5 +1,5 @@
 from shutil import move, copyfile
-from os import listdir, rename, path
+from os import rename, path
 
 from files.__main__ import app, limiter
 from files.helpers.const import *