simplify random img function

fs.go

@@ -51,13 +51,9 @@ func getImagesList(path string) []string {
 }
 
 // Randomly choose x number of image from a given folder
-func getRandomImages(number int) []string {
+func getRandomImage() string {
 	rand.Seed(time.Now().UnixNano())
-	var images []string
 	dir := getImagesList("/home/gator/Photos/")
-	for i := 0; i < number; i++ {
-		index := rand.Intn(len(dir))
-		images = append(images, dir[index])
-	}
-	return images
+	index := rand.Intn(len(dir))
+	return dir[index]
 }