Hi and welcome to OpenStreetMap.

While it might seem like a good idea to simply delete paths on private property (or in this case removing the highway=path tag), it's almost always better to use correct access tagging. The reasons for this are explained in detail at the links below.

https://wiki.openstreetmap.org/wiki/Why_can%27t_I_delete_this_trail%3F
https://wiki.openstreetmap.org/wiki/Why_we_won%27t_delete_roads_on_private_property

The highway=path tag has already been restored by another user in https://www.openstreetmap.org/changeset/171893487