Draft: (partial) revert of 0f18b1be

See !64530 (comment 7325220) for context.

/cc @gemmeren

Control/AthenaServices/src/AthenaOutputStreamTool.cxx

@@ -473,7 +473,6 @@ StatusCode AthenaOutputStreamTool::streamObjects(const DataObjectVec& dataObject
             if (dobj->clID() != 1 || addr->par()[0] != "\n") {
                if (dobj->clID() != ClassID_traits<DataHeader>::ID()) {
                   m_dataHeader->insert(proxy, addr);
-                  if (m_store->storeID() != StoreID::EVENT_STORE) proxy->setAddress(addr);
                } else {
                   m_dataHeader->insert(proxy, addr, m_processTag);
                }