The estate of a man who died after choking on food in a West Side nursing home has settled its lawsuit for $875,000.Antonio Mares’ estate sued Center Home for Hispanic Elderly as well as other physicians and companies associated with his care and meals in 2014, alleging they failed to ensure his meal fit his dietary orders and that he ate food that would prevent him from choking.Mares — who was 77 and had a history of dementia, depression and an inability to swallow — was admitted to the home in 2012 …