Simplify doc intro.
pyinfra Documentation
=========================
-Welcome to the ``pyinfra`` v1 documentation; it is split into two sections - Using ``pyinfra`` and Deploy References. If you're new to ``pyinfra`` you should start with the :doc:`getting started <./getting_started>` page.
+Welcome to the ``pyinfra`` v1 documentation. If you're new to ``pyinfra`` you should start with the :doc:`getting started <./getting_started>` page.
.. Important::
This is the documentation for ``pyinfra`` **v1**, it is highly recommended to use this version!
