[Moderation] Strange activities - detected by osmdiff

[Someoneelse]

Gary68 wrote:
> Addis Abbaba
> 
> http://www.gary68.de/osm/qa/diff/ov_addis_ababa.htm
> 
> 8000 nodes deleted
> 400 ways deleted
> 
> all in one week
> 
> please investigate further!

Just looks like someone reverting their own import?
http://www.openstreetmap.org/user/DEPHA-Import-by-AddisMap
http://www.openstreetmap.org/browse/changeset/2851273

Example node:
http://www.openstreetmap.org/browse/node/528617447/history