docs: remove some references to Pylons

These references are either not used, or do not provide value.
The Windows installation and email pages still references documents from the
Pylons website -- alternative pages from Turbogears2 need to be found.

docs/installation.rst

@@ -111,8 +111,8 b' An additional benefit of virtualenv_ is '
 
     pip install .
 
-- This will install Kallithea together with pylons_ and all other required
-  python libraries into the activated virtualenv.
+- This will install Kallithea together with all other required
+  Python libraries into the activated virtualenv.
 
 You can now proceed to :ref:`setup`.
 
@@ -137,4 +137,3 b' You can now proceed to :ref:`setup`.'
 
 
 .. _virtualenv: http://pypi.python.org/pypi/virtualenv
-.. _pylons: http://www.pylonsproject.org/

docs/overview.rst

@@ -136,6 +136,5 b' continuous hammering from the internet.'
 .. _iis: http://en.wikipedia.org/wiki/Internet_Information_Services
 .. _pip: http://en.wikipedia.org/wiki/Pip_%28package_manager%29
 .. _WSGI: http://en.wikipedia.org/wiki/Web_Server_Gateway_Interface
-.. _pylons: http://www.pylonsproject.org/
 .. _HAProxy: http://www.haproxy.org/
 .. _Varnish: https://www.varnish-cache.org/

docs/setup.rst

@@ -722,7 +722,7 b' Here is a sample configuration file for '
             </Proxy>
 
             #important !
-            #Directive to properly generate url (clone url) for pylons
+            #Directive to properly generate url (clone url) for Kallithea
             ProxyPreserveHost On
 
             #kallithea instance