Removed the "roles" variable

Author: javiereguiluz

security/expressions.rst

@@ -38,10 +38,6 @@ Inside the expression, you have access to a number of variables:
 
 ``user``
     The user object (or the string ``anon`` if you're not authenticated).
-``roles``
-    The array of roles the user has. This array includes any roles granted
-    indirectly via the :ref:`role hierarchy <security-role-hierarchy>` but it
-    does not include the ``IS_AUTHENTICATED_*`` attributes (see the functions below).
 ``role_names``
     An array with the string representation of the roles the user has. This array
     includes any roles granted indirectly via the :ref:`role hierarchy <security-role-hierarchy>` but it