pscrpc_expire_one_request() always set rq_err to 1, so removal
pscrpc_expire_one_request() always set rq_err to 1, so removal

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/pfl,pscedu/slash2-stable,pscedu/pfl,pscedu/slash2-stable,pscedu/pfl,pscedu/pfl,pscedu/slash2-stable