minor #6547 remove 2.x versionadded directives (xabbuh)

This PR was merged into the 3.0 branch.

Discussion
----------

remove 2.x versionadded directives

Commits
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8f0e5ed remove 2.x versionadded directives

Author: wouterj

book/controller.rst

@@ -431,10 +431,6 @@ If you want to redirect the user to another page, use the ``redirectToRoute()``
         // return $this->redirect($this->generateUrl('homepage'));
     }
 
-.. versionadded:: 2.6
-    The ``redirectToRoute()`` method was introduced in Symfony 2.6. Previously (and still now), you
-    could use ``redirect()`` and ``generateUrl()`` together for this (see the example above).
-
 By default, the ``redirectToRoute()`` method performs a 302 (temporary) redirect. To
 perform a 301 (permanent) redirect, modify the third argument::
 

components/dependency_injection/autowiring.rst

@@ -4,9 +4,6 @@
 Defining Services Dependencies Automatically (Autowiring)
 =========================================================
 
-.. versionadded:: 2.8
-    Support for autowiring services was introduced in Symfony 2.8.
-
 Autowiring allows to register services in the container with minimal configuration.
 It automatically resolves the service dependencies based on the constructor's
 typehint which is useful in the field of `Rapid Application Development`_,

components/http_foundation/introduction.rst

@@ -128,9 +128,6 @@ has some methods to filter the input values:
 :method:`Symfony\\Component\\HttpFoundation\\ParameterBag::getBoolean`
     Returns the parameter value converted to boolean;
 
-    .. versionadded:: 2.6
-        The ``getBoolean()`` method was introduced in Symfony 2.6.
-
 :method:`Symfony\\Component\\HttpFoundation\\ParameterBag::getDigits`
     Returns the digits of the parameter value;
 

components/phpunit_bridge.rst

@@ -20,10 +20,6 @@ It comes with the following features:
 
 * Provides a ``ClockMock`` helper class for time-sensitive tests.
 
-.. versionadded:: 2.7
-    The PHPUnit Bridge was introduced in Symfony 2.7. It is however possible to
-    install the bridge in any Symfony application (even 2.3).
-
 Installation
 ------------
 

cookbook/security/multiple_guard_authenticators.rst

@@ -1,9 +1,6 @@
 How to Use Multiple Guard Authenticators
 ========================================
 
-.. versionadded:: 2.8
-    The ``Guard`` component was introduced in Symfony 2.8.
-
 The Guard authentication component allows you to easily use many different
 authenticators at a time.
 

reference/forms/types/choice.rst

@@ -197,10 +197,6 @@ choices_as_values
 
 **type**: ``boolean`` **default**: false
 
-.. versionadded:: 2.7
-
-    The ``choices_as_values`` option was introduced in Symfony 2.7.
-
 The ``choices_as_values`` option was added to keep backward compatibility with the
 *old* way of handling the ``choices`` option. When set to ``false`` (or omitted),
 the choice keys are used as the underlying value and the choice values are shown

reference/forms/types/options/label_format.rst.inc

@@ -1,9 +1,6 @@
 label_format
 ~~~~~~~~~~~~
 
-.. versionadded:: 2.6
-    The ``label_format`` option was introduced in Symfony 2.6.
-
 **type**: ``string`` **default**: ``null``
 
 Configures the string used as the label of the field, in case the ``label``

reference/forms/types/time.rst

@@ -87,10 +87,6 @@ Field Options
 placeholder
 ~~~~~~~~~~~
 
-.. versionadded:: 2.6
-    The ``placeholder`` option was introduced in Symfony 2.6 and replaces
-    ``empty_value``, which is available prior to 2.6.
-
 **type**: ``string`` | ``array``
 
 If your widget option is set to ``choice``, then this field will be represented