Removed sqlite specific workaround.
Removed sqlite specific workaround.

This was necessary for old versions of Python when treebeard was originally written, but all the currently supported versions include a more compliant version of sqlite.

tabo/django-treebeard,tabo/django-treebeard,tabo/django-treebeard,django-treebeard/django-treebeard,django-treebeard/django-treebeard,tabo/django-treebeard,django-treebeard/django-treebeard