Hi, Welcome to OpenStreetMap.

The definitive map, (https://www.suffolk.gov.uk/asset-library/imported/Crowfield.pdf), shows that the footpath you've removed is a public right of way. 

The definitive map and statement are legal documents and do not show that this path has been extinguished. It can only be removed by a Definitive Map Modification Order, DMMO after the due process of application. Are you sure it's been extinguished? Or has the land owner merely decided not to recognize its existence? 

Regards Bernard.