Remove unused function

checker.go

@@ -13,13 +13,6 @@ import (
 	"github.com/spf13/cast"
 )
 
-// 检查ID参数
-func checkIDArgument(id string) bool {
-	_, err := generateCode(id)
-
-	return err == nil
-}
-
 // 生成数据
 func generateCode(id string) (map[string]string, error) {
 	length := len(id)

helper.go

@@ -134,12 +134,3 @@ func substr(source string, start int, end int) string {
 
 	return string(r[start:end])
 }
-
-// MapMerge 合并 Map
-func MapMerge(target, source map[int][]map[string]string) map[int][]map[string]string {
-	for key, value := range source {
-		target[key] = value
-	}
-
-	return target
-}