CI(appveyor.yml): Clear `pip` cache with `remove-old-files.py`
-rwxr-xr-x 989 clone2current
-rwxr-xr-x 1008 mk-project
drwxr-xr-x - project_template
-rwxr-xr-x 1679 publish2web
-rwxr-xr-x 1470 rename-project