Fix double delete in QueueRouterElement and SpaceNodeConnection::handleRead. In this case, remove the delete from in QueueRouterElement to follow the policy of the rest of the system of only taking control of the memory on successful acceptance of data.
Fix double delete in QueueRouterElement and SpaceNodeConnection::handleRead. In this case, remove the delete from in QueueRouterElement to follow the policy of the rest of the system of only taking control of the memory on successful acceptance of data.

sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata