Refactor Map class to use PrimitiveType instead of Unordered

Author: xaviaracil

ob_v3p0/common_credentials.lines

@@ -254,8 +254,7 @@ Package SharedCredentialDataModels DataModel
 
     Class Context EmbeddedSelection false [URI, Map]                "JSON-LD Context. Either a URI with the context definition or a Map with a local context definition MUST be supplied."
 
-    Class Map Unordered false []                                "A map representing an object with unknown, arbitrary properties"
-        Mixin Extensions
+    Class Map PrimitiveType false []                                "A map representing an object with unknown, arbitrary properties"
 
     // Enumerations