Change keyboard level include guards to pragma once (#14248)

* Change keyboard level include guards to `pragma once`

And clean up a lot of layout macros

* Oops

* Remove dangling endif

keyboards/cu24/config.h

@@ -14,8 +14,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef CONFIG_H
-#define CONFIG_H
+#pragma once
 
 #include "config_common.h"
 
@@ -159,5 +158,3 @@
 //#define NO_ACTION_ONESHOT
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
-
-#endif

keyboards/cu24/cu24.h

@@ -13,11 +13,13 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#ifndef CU24_H
-#define CU24_H
+
+#pragma once
 
 #include "quantum.h"
 
+#define XXX KC_NO
+
 // This a shortcut to help you visually see your layout.
 // The following is an example using the Planck MIT layout
 // The first section contains all of the arguments
@@ -28,34 +30,28 @@
     k20, k21, k22, k23, \
     k30, k31, k32, k33, \
     k40, k41, k42, k43, \
-    k50, k51, k52, k53  \
-) \
-{ \
+    k50, k51, k52, k53 \
+) { \
     { k00, k01, k02, k03 }, \
     { k10, k11, k12, k13 }, \
     { k20, k21, k22, k23 }, \
     { k30, k31, k32, k33 }, \
     { k40, k41, k42, k43 }, \
-    { k50, k51, k52, k53 }  \
+    { k50, k51, k52, k53 } \
 }
 
 #define LAYOUT_numpad( \
     k00, k01, k02, k03, \
     k10, k11, k12, k13, \
     k20, k21, k22, k23, \
-    k30, k31, k32,      \
+    k30, k31, k32, \
     k40, k41, k42, k43, \
-         k51, k52       \
-) \
-{ \
-    { k00,   k01,   k02, k03 }, \
-    { k10,   k11,   k12, k13 }, \
-    { k20,   k21,   k22, k23 }, \
-    { k30,   k31,   k32, KC_NO }, \
-    { k40,   k41,   k42, k43 }, \
-    { KC_NO, k51,   k52, KC_NO }  \
+         k51, k52 \
+) { \
+    { k00, k01, k02, k03 }, \
+    { k10, k11, k12, k13 }, \
+    { k20, k21, k22, k23 }, \
+    { k30, k31, k32, XXX }, \
+    { k40, k41, k42, k43 }, \
+    { XXX, k51, k52, XXX } \
 }
-
-
-
-#endif