[Serializer] Remove note about CsvEncoder as_collection flag

ogizanagi · ogizanagi · commit 0be5b16cf634 · 2020-01-08T11:32:55.000+01:00
This is the default since 5.0
diff --git a/components/serializer.rst b/components/serializer.rst
@@ -786,9 +786,6 @@ The ``CsvEncoder``
 
 The ``CsvEncoder`` encodes to and decodes from CSV.
 
-You can pass the context key ``as_collection`` in order to have the results
-always as a collection.
-
 The ``XmlEncoder``
 ~~~~~~~~~~~~~~~~~~
 
