If showing `layer=` field, add to field.keys so delete will remove it
If showing `layer=` field, add to field.keys so delete will remove it

kartta-labs/iD,openstreetmap/iD,bagage/iD,ngageoint/hootenanny-ui,mapmeld/iD,bagage/iD,morray/iD,bagage/iD,1ec5/iD,ngageoint/hootenanny-ui,morray/iD,openstreetmap/iD,1ec5/iD,AndreasHae/iD,kartta-labs/iD,mapmeld/iD,AndreasHae/iD,1ec5/iD,openstreetmap/iD,kartta-labs/iD,AndreasHae/iD,digidem/iD,ngageoint/hootenanny-ui,digidem/iD,mapmeld/iD