🔨 Clean up Python imports (#24736)

buildroot/share/vscode/create_custom_upload_command_DFU.py

@@ -9,7 +9,7 @@
 #  Will continue on if a COM port isn't found so that the compilation can be done.
 #
 
-import os,sys
+import os
 from SCons.Script import DefaultEnvironment
 import platform
 current_OS = platform.system()