WELLINGTON—New Zealand had tried for years to deport the knife-wielding terrorist who wounded seven people at a mall in Auckland last week, the government said after it released more details on the attacker following the lifting of a court suppression order. Court documents made public on Sunday identified the attacker as Ahamed Aathil Mohamed Samsudeen, 32, an ethnic Tamil Muslim from Sri Lanka. He had arrived in New Zealand 10 years ago on a student visa seeking refugee status, which was granted in 2013. Police were following Samsudeen and shot him dead about a minute after he launched his attack on Friday after picking up a knife from a supermarket display. He had been convicted and imprisoned for about three years before being released in July. Samsudeen’s family issued a statement to the New Zealand media describing their shock at the “terrible event.” Samsudeen was inspired by the ISIS terrorist …