[Info Bubble] Remove ID

Don't show domain object id in info bubble; this is not
useful information to non-developers. (For developers,
this information can be retrieved from the URL by
navigating to a domain object.) WTD-1252

platform/core/test/capabilities/MetadataCapabilitySpec.js

@@ -92,7 +92,6 @@ define(
 
             it("reports generic properties", function () {
                 var properties = metadata.invoke();
-                expect(findValue(properties, 'ID')).toEqual("Test id");
                 expect(findValue(properties, 'Type')).toEqual("Test type");
             });