Revert "Don't lock EventEmitter's process if somebody is not returning result for too long. May be they are busy, but it doesn't mean we shouldn't attempt to deliver event to other listeners."
Revert "Don't lock EventEmitter's process if somebody is not returning result for too long. May be they are busy, but it doesn't mean we shouldn't attempt to deliver event to other listeners."

Looks like it was causing more problems.

This reverts commit 0155c2ff8915366c40f4339e803283b6a4ddd207.

beamjs/beamjs,beamjs/beamjs