README: No more "near" EOL warning. Py2's days are *numbered*.

Author: dgw

README.rst

@@ -37,7 +37,8 @@ Sopel requires ``backports.ssl_match_hostname`` to be installed. Use
 ``yum install python-backports.ssl_match_hostname`` to install it, or download
 and install it manually `from PyPI <https://pypi.org/project/backports.ssl_match_hostname>`_.
 
-Note: Python 2.x is near end of life. Sopel will drop support in version 8.0.
+Important: Sopel 8.0 will drop support for many old Python versions,
+including Python 2.7!
 
 In the source directory (whether cloned or from the tarball) run ``pip install
 -e .``. You can then run ``sopel`` to configure and start the bot.