修正一个机器人的错误

src/robot/RobotClient.ts

@@ -251,7 +251,6 @@ export class RobotClient implements Client {
      * @private
      */
     private selectHero() {
-        this.cards = this.svrstate.players.get(this.sessionId).cards;
         let heroMap: Map<number, HeroCfg> = global.$cfg.get(BaseConst.HERO);
         let heroArr = [...heroMap.values()];
         let hero = arrUtil.randomGet(heroArr, 1);