Refactor LCD menus

Marlin/src/lcd/fontutils.h

@@ -6,8 +6,7 @@
  * @date    2016-08-19
  * @copyright GPL/BSD
  */
-#ifndef _FONT_UTILS_H
-#define _FONT_UTILS_H
+#pragma once
 
 #include <stdlib.h>
 #include <Arduino.h>
@@ -45,5 +44,3 @@ uint8_t* get_utf8_value_cb(uint8_t *pstart, read_byte_cb_t cb_read_byte, wchar_t
 /* Returns lenght of string in CHARACTERS, NOT BYTES */
 uint8_t utf8_strlen(const char *pstart);
 uint8_t utf8_strlen_P(PGM_P pstart);
-
-#endif // _FONT_UTILS_H