Removing any files from the server after uninstalling the add-ons should suffice.
You can check which files were uploaded by checking the backups of the resource .zips you have.
If you're concerned about any other files being modified, uploading a fresh set of XF files will resolve that.
You can check which files were uploaded by checking the backups of the resource .zips you have.
If you're concerned about any other files being modified, uploading a fresh set of XF files will resolve that.