Merge branch '4.4' into 5.0

* 4.4:
  Remove unnecessary historic configuration: 'sudo: false'

Author: javiereguiluz

bundles/best_practices.rst

@@ -181,7 +181,7 @@ of Symfony and the latest beta release:
 .. code-block:: yaml
 
     language: php
-    sudo: false
+
     cache:
         directories:
             - $HOME/.composer/cache/files

setup/bundles.rst

@@ -133,7 +133,6 @@ following recommended configuration as the starting point of your own configurat
 .. code-block:: yaml
 
     language: php
-    sudo: false
     php:
         - 5.3
         - 5.6