Removed further usage of transchoice in the docs

Author: wouterj

reference/twig_reference.rst

@@ -359,6 +359,12 @@ Translates the text into the current language. More information in
 transchoice
 ~~~~~~~~~~~
 
+.. deprecated:: 4.2
+
+   The ``transchoice`` filter is deprecated since Symfony 4.2 and will be
+   removed in 5.0. Use the :doc:`ICU MessageFormat </translation/message_format>` with
+   the ``trans`` filter instead.
+
 .. code-block:: twig
 
     {{ message|transchoice(count, arguments = [], domain = null, locale = null) }}
@@ -588,6 +594,12 @@ Renders the translation of the content. More information in :ref:`translation-ta
 transchoice
 ~~~~~~~~~~~
 
+.. deprecated:: 4.2
+
+   The ``transchoice`` tag is deprecated since Symfony 4.2 and will be
+   removed in 5.0. Use the :doc:`ICU MessageFormat </translation/message_format>` with
+   the ``trans`` tag instead.
+
 .. code-block:: twig
 
     {% transchoice count with vars from domain into locale %}{% endtranschoice %}

translation/debug.rst

@@ -12,15 +12,11 @@ command helps you to find these missing or unused translation messages templates
 
 .. code-block:: twig
 
-    {# messages can be found when using the trans/transchoice filters and tags #}
+    {# messages can be found when using the trans filter and tag #}
     {% trans %}Symfony is great{% endtrans %}
 
     {{ 'Symfony is great'|trans }}
 
-    {{ 'Symfony is great'|transchoice(1) }}
-
-    {% transchoice 1 %}Symfony is great{% endtranschoice %}
-
 .. caution::
 
     The extractors can't find messages translated outside templates, like form

translation/templates.rst

@@ -24,6 +24,12 @@ The ``transchoice`` tag automatically gets the ``%count%`` variable from
 the current context and passes it to the translator. This mechanism only
 works when you use a placeholder following the ``%var%`` pattern.
 
+.. deprecated:: 4.2
+
+    The ``transchoice`` tag is deprecated since Symfony 4.2 and will be
+    removed in 5.0. Use the :doc:`ICU MessageFormat </translation/message_format>` with
+    the ``trans`` tag instead.
+
 .. caution::
 
     The ``%var%`` notation of placeholders is required when translating in
@@ -64,6 +70,12 @@ texts* and complex expressions:
 
     {{ message|transchoice(5, {'%name%': 'Fabien'}, 'app') }}
 
+.. deprecated:: 4.2
+
+    The ``transchoice`` filter is deprecated since Symfony 4.2 and will be
+    removed in 5.0. Use the :doc:`ICU MessageFormat </translation/message_format>` with
+    the ``trans`` filter instead.
+
 .. tip::
 
     Using the translation tags or filters have the same effect, but with