This reverts the following changesets:

https://www.openstreetmap.org/changeset/165523576

https://www.openstreetmap.org/changeset/165523608

https://www.openstreetmap.org/changeset/165523624

https://www.openstreetmap.org/changeset/165523638

https://www.openstreetmap.org/changeset/165523651

Discussion in the last changeset.