Removed obsolete sentence in queries docs

To create an object, instantiate it using keyword arguments to the model class,

then call :meth:`~django.db.models.Model.save` to save it to the database.

You import the model class from wherever it lives on the Python path, as you

may expect. (We point this out here because previous Django versions required

funky model importing.)

Assuming models live in a file ``mysite/blog/models.py``, here's an example::

    >>> from blog.models import Blog