Added my simpler implementation for the recursive max function (#300)

Author: RyanM-Dev

04_quicksort/golang/04_recursive_max.go

@@ -2,21 +2,18 @@ package main
 
 import "fmt"
 
-func max(list []int) int {
-	if len(list) == 2 {
-		if list[0] > list[1] {
-			return list[0]
-		}
-		return list[1]
-	}
+func main() {
+	fmt.Println(max([]int{1, 5, 10, 25, 16, 1}))
+}
+
+func max(arr []int) int {
 
-	subMax := max(list[1:])
-	if list[0] > subMax {
-		return list[0]
+	if len(arr) == 1 {
+		return arr[0]
 	}
-	return subMax
-}
 
-func main() {
-	fmt.Println(max([]int{1, 5, 10, 25, 16, 1}))
+	if arr[0] > max(arr[1:]) {
+		return arr[0]
+	}
+	return max(arr[1:])
 }