Removed duplicate custom SQL returns from test mapping

Author: ggeurts

src/NHibernate.Test/SqlTest/Query/NativeSQLQueries.hbm.xml

@@ -241,8 +241,6 @@
 
 	<sql-query name="organizationautodetect" resultset-ref="org-description">
 		<!--  equal to "organizationpropertyreturn" but since no {} nor return-property are used hibernate will fallback to use the columns directly from the mapping -->
-		<return alias="org" class="Organization"/>
-		<return-join alias="emp" property="org.employments"/>
 		SELECT org.ORGID as orgid,
 		org.NAME as name,
 		emp.EMPLOYER as employer,