Fixed duplicate DeleteMessage declarations!

configs.go

@@ -1007,21 +1007,3 @@ type PreCheckoutConfig struct {
 	ErrorMessage       string
 }
 
-// DeleteMessageConfig contains information of a message in a chat to delete.
-type DeleteMessageConfig struct {
-	ChatID    int64
-	MessageID int
-}
-
-func (config DeleteMessageConfig) method() string {
-	return "deleteMessage"
-}
-
-func (config DeleteMessageConfig) values() (url.Values, error) {
-	v := url.Values{}
-
-	v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
-	v.Add("message_id", strconv.Itoa(config.MessageID))
-
-	return v, nil
-}