Update co.rst
Update co.rst

It's Colombia, not Columbia.
agustin380/django-localflavor,zarelit/django-localflavor,maisim/django-localflavor,M157q/django-localflavor,thor/django-localflavor,infoxchange/django-localflavor,django/django-localflavor,rsalmaso/django-localflavor,jieter/django-localflavor