remove broken link to grappelli Changelist.js
remove broken link to grappelli Changelist.js

aladdinwang/django-filebrowser-no-grappelli,wardi/django-filebrowser-no-grappelli,MagicSolutions/django-filebrowser-no-grappelli,aladdinwang/django-filebrowser-no-grappelli,agushuley/gu-django-filebrowser-no-grappelli,agushuley/gu-django-filebrowser-no-grappelli,wardi/django-filebrowser-no-grappelli,agushuley/gu-django-filebrowser-no-grappelli,nicoechaniz/django-filebrowser-no-grapelli-3.1-merge,wardi/django-filebrowser-no-grappelli,nicoechaniz/django-filebrowser-no-grapelli-3.1-merge,aladdinwang/django-filebrowser-no-grappelli,wardi/django-filebrowser-no-grappelli,nicoechaniz/django-filebrowser-no-grapelli-3.1-merge,MagicSolutions/django-filebrowser-no-grappelli,MagicSolutions/django-filebrowser-no-grappelli,agushuley/gu-django-filebrowser-no-grappelli