Carlos Marmol hasn’t regained Dale Sveum’s total confidence

SAN FRANCISCO — Former closer Carlos Marmol has tossed three scoreless innings in his last three appearances since returning from the 15-day disabled list Monday. He has done so in impressive fashion, with no hits, two walks and four strikeouts. So Cubs manager Dale Sveum must be at least entertaining the idea of getting Marmol back to what he was paid to do, which is get the final three outs of the game, right? “No,’’ Sveum said without hesitation. “I’m not setting any goals to get anyone anywhere, other than just to win baseball games somehow and keep the other …