Remove functions which are not required

src/day11/day11.go

@@ -83,14 +83,3 @@ func flash(energyMap *[10][10]field, x int, y int) {
 		}
 	}
 }
-
-func printMap(energyMap *[10][10]field)  {
-	for _, line := range energyMap {
-		lineArray := [10]int{}
-		for i, field := range line {
-			lineArray[i] = field.energy
-		}
-		fmt.Println(lineArray)
-	}
-
-}