SAN FRANCISCO — Aldon Smith, the troubled but talented pass rusher whose promising career was derailed by legal problems, has died at age 36. The San Francisco 49ers announced Smith’s death Saturday night. The team did not disclose a cause of death. “We are devastated by the sudden and tragic passing of Aldon Smith,” the 49ers said in a statement. “Aldon’s undeniable talent and sheer dominance on the field were on display from the moment he joined our organization, having recorded one of the