Here’s story about a church closure with a happy ending —and a church transformation that you don’t hear about very often: A Yonkers Roman Catholic church shuttered last year in a parish consolidation will celebrate its rebirth Saturday  as an Eastern Rite congregation.The Rev. Sunny Mathew, 43, the new congregation’s pastor, said the move to Yonkers realizes a longtime dream for his parishioners, who began their congregation in 1984 in New York City. Most Holy Trinity Church at 18 Trinity Plaza will be occupied by St. Mary’s Malankara Catholic Church, an Indian congregation that for 17 years worshiped in the chapel at Salesian High School in New Rochelle.“It...