Removed python-dateuil from requirements
Removed python-dateuil from requirements

Removed python-dateutil from the requirements since
it was only used by the provided signal handlers.

django-ses/django-ses,grumbler/django-ses,smaato/django-ses,piotrbulinski/django-ses-backend,ticosax/django-ses,brutasse/django-ses,smaato/django-ses,brutasse/django-ses,ticosax/django-ses,django-ses/django-ses,grumbler/django-ses