Completes "Set field in (at least) widget screen does not take into account a locale for (at least) the Float type" https://issues.apache.org/jira/browse/OFBIZ-5453 for minilang.
Removes dead code.
Locale applies only when the type is also passed, like in widgets.



git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1554685 13f79535-47bb-0310-9956-ffa450edef68