Every Sept. 11 since 2001, Roy Williams has been reminded of the way his brother, Army Maj. Dwayne Williams, died. This year, the former Birmingham News reporter wants to remember the life of his brother and the legacy he left by organizing a free concert. “We’re purposely calling it ‘Take the Day Back: A 9/11 Tribute to Army Major Dwayne Williams,’” said Williams, now the public relations director of the Birmingham Public Library. “After 22 yea…