Anne Maureen Pomykala, who restored the Greenspring Valley’s Gramercy Mansion as a bed-and-breakfast and wedding venue, died of heart disease complications March 17 at Sinai Hospital. The Stevenson resident was 86.Mrs. Pomykala also operated the 1840s Plaza Carrollton Inn on Albemarle Street and the Grey Rock Mansion in Pikesville.Born in Riverdale in Prince George’s County,…