Remove invalid assert in ProxyManager and add note about why it actually isn't safe.
Remove invalid assert in ProxyManager and add note about why it actually isn't safe.

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