Mateusz Konieczny
In case that it gets back: https://www.openstreetmap.org/changeset/117467073 can be reverted for example using https://wiki.openstreetmap.org/wiki/JOSM/Plugins/Reverter . Feel free to ask for help at one of https://wiki.openstreetmap.org/wiki/Contact_channels  or ping me for help with such revert