These are now upgraded to version 3, meaning that they will have to increase their version numbers and remove any start_layers_at_same_position settings they define. None of these profiles define any start_layers_at_same_position so it's just the version number then.
Contributes to issue CURA-3479.
Otherwise you get cryptic error messages about settings that may be hidden having invalid values, since minimum fan speed may not be higher than maximum fan speed. The value of the setting with the default settings should be the same.
Contributes to Github issue #1268.