removal of unwanted variable

examples/goroutines/goroutines.go

@@ -32,7 +32,6 @@ func main() {
     // separate goroutines now, so execution falls through
     // to here. This `Scanln` code requires we press a key
     // before the program exits.
-    var input string
-    fmt.Scanln(&input)
+    fmt.Scanln()
     fmt.Println("done")
 }