Classlist upload easy

I made it so that the user uploads a class-list file and uses that to add/replace whatever *instead* of choosing from the drop-down list of previously uploaded files (so the drop down list doesn't work anymore).

Should we just use the upload and take out the drop-down? Should we add some javascript and make it so that after you choose a file to upload, that same file is selected in the drop-down (more work)?