README has cookiecutter noise(?)

[hyandell]

Hi tox-dev,

I think the README has some generated noise at the end of it. For example, I don't think you're intending all 4 licenses to be listed there.

https://raw.githubusercontent.com/tox-dev/tox-conda/main/README.rst

.. _`MIT`: http://opensource.org/licenses/MIT
.. _`BSD-3`: http://opensource.org/licenses/BSD-3-Clause
.. _`GNU GPL v3.0`: http://www.gnu.org/licenses/gpl-3.0.txt
.. _`Apache Software License 2.0`: http://www.apache.org/licenses/LICENSE-2.0