chore: don't register json serializer by default (#729)

* chore: don't register json serializer by default

Related to this issue #636, registering the serializer within `djmoney` package will override any customised json serializer provided by the user.
The user should have the control of using the serializer provided by `djmoney` with Django `SERIALIZATION_MODULES` setting.

* Add documentation & minor version bump

* remove version update

* update changes

README.rst

@@ -213,6 +213,17 @@ need to manually decorate those custom methods, like so:
            def my_custom_method(*args, **kwargs):
                # Awesome stuff
 
+Note on serialization
+---------------------
+
+Django-money provides a custom deserializer, it is not registered
+by default so you will have to actively register it in your ``settings.py``.
+
+.. code:: python
+
+    SERIALIZATION_MODULES = {"json": "djmoney.serializers"}
+
+
 Format localization
 -------------------
 

djmoney/models/__init__.py

@@ -1,4 +0,0 @@
-from django.core import serializers
-
-
-serializers.register_serializer("json", "djmoney.serializers")

docs/changes.rst

@@ -15,7 +15,7 @@ Changelog
 
 **Changed**
 
-- (add entry here)
+- Don't register Django Money serializers by default, instead the user should actively register a serializer in the ``settings.py`` `#636` (`emorozov`)
 
 
 `3.3`_ - 2023-09-10