Remove println

render.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	"image"
 	"image/color"
 	"image/png"
@@ -61,7 +60,6 @@ func computeThread() {
 				(float64(p.y)/Size+float64(p.tileY))/float64(uint(1<<(p.tileZoom-1))),
 			),
 		)
-		fmt.Println(val)
 		p.out.SetRGBA(p.x, p.y, colors[val])
 		p.wg.Done()
 	}