Remove unused JS file
Remove unused JS file

This fixes #409

wger-project/wger,wger-project/wger,rolandgeider/wger,wger-project/wger,petervanderdoes/wger,rolandgeider/wger,petervanderdoes/wger,petervanderdoes/wger,rolandgeider/wger,wger-project/wger,rolandgeider/wger,petervanderdoes/wger