Workaround to an issue with reconciliation keys using "discarded" ext keys (target class implemented in an optional module)

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2408 a333f486-631f-4898-b8df-5754b55c2be0

datamodels/2.x/itop-storage-mgmt/datamodel.itop-storage-mgmt.xml

@@ -1630,8 +1630,6 @@
         <icon/>
         <reconciliation>
           <attributes>
-            <attribute id="volume_id"/>
-            <attribute id="virtualdevice_id"/>
           </attributes>
         </reconciliation>
       </properties>