KYLIN-1310 do not add default auto merge time when edit cube
KYLIN-1310 do not add default auto merge time when edit cube

apache/incubator-kylin,apache/incubator-kylin,apache/kylin,apache/incubator-kylin,apache/kylin,apache/kylin,apache/incubator-kylin,apache/incubator-kylin,apache/kylin,apache/incubator-kylin,apache/kylin,apache/kylin,apache/kylin