Updated openstack/openstack
Project: openstack/heat  0ceb85dda3a2b36589c23372865e1be9e9fa814c
null
Remove unused dumps validation in JsonParam value

If the passed parameter is not a valid Json object, a ValueError
exception will be raised in JsonParam parse(). So no need this dumps
validation in value().

Change-Id: Ie450d3923a905b7de3dcbece351aec937ebe7a61