Revert "Bugfix: Lock participants while distributing a datagram."
Revert "Bugfix: Lock participants while distributing a datagram."

It can lead to dead locks in current and future implementations.
This reverts commit db1868d34114ac501ffdcfb4a30a01776786375d.

pizcogirl/Astron,pizcogirl/Astron,ketoo/Astron,ketoo/Astron,pizcogirl/Astron,pizcogirl/Astron,ketoo/Astron,blindsighttf2/Astron,ketoo/Astron,blindsighttf2/Astron,blindsighttf2/Astron,blindsighttf2/Astron