DZ60: update to current template & code style (#9113)

keyboards/dz60/dz60.h

@@ -1,11 +1,9 @@
-#ifndef DZ60_H
-#define DZ60_H
+#pragma once
 
 #include "quantum.h"
 
 // Corresponding changes to the layout names and/or definitions must also be made to info.json
 
-
 // 标准配列
 /* Standard arrangement / LAYOUT
  * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐
@@ -655,4 +653,3 @@
     { k30,  k31,   k32,   k33,  k34,   k35,   k36,  k37,   k38,   k39,   k3a,  k3b,  k3c,   k3d,   k3e   }, \
     { k40,  k41,   KC_NO, k43,  KC_NO, KC_NO, k46,  KC_NO, KC_NO, KC_NO, k4a,  k4b,  k4c,   k4d,   k4e   }  \
 }
-#endif