By Rory Carroll (Reuters) – The Golden State Warriors beat the Celtics 103-90 in Game Six of the NBA Finals in Boston on Thursday to win the Championship trophy for the fourth time in eight seasons. Stephen Curry led the way for the visitors with 34 points, seven assists and seven rebounds to claim his fourth title and first Finals MVP award. “I’m so proud of our group,” an emotional Curry said after the win, adding, “… at the beginning of the season nobody thought we would be here except everybody on this court”. The triumph is a remarkable turnaround for the Warriors, who missed the playof…