remove dead code for the `as` property on the outliers example UDF
remove dead code for the `as` property on the outliers example UDF

titilambert/kapacitor,titilambert/kapacitor,influxdb/kapacitor,sputnik13/kapacitor,adityacs/kapacitor,influxdb/kapacitor,sputnik13/kapacitor,titilambert/kapacitor,adityacs/kapacitor,influxdb/kapacitor,sputnik13/kapacitor,adityacs/kapacitor