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

2 files changed, 7 insertions, 14 deletions

diff --git a/keyboards/9key/9key.h b/keyboards/9key/9key.h
index b60dc53c00..ad809da4b8 100644
--- a/keyboards/9key/9key.h
+++ b/keyboards/9key/9key.h
@@ -1,17 +1,13 @@
-#ifndef NINEKEY_H
-#define NINEKEY_H
+#pragma once
 
 #include "quantum.h"
 
 #define LAYOUT( \
-      k00, k01, k02, \
-      k10, k11, k12, \
-      k20, k21, k22  \
-) \
-{ \
+    k00, k01, k02, \
+    k10, k11, k12, \
+    k20, k21, k22 \
+) { \
     { k00, k01, k02 }, \
     { k10, k11, k12 }, \
     { k20, k21, k22 } \
-} 
-
-#endif
+}
diff --git a/keyboards/9key/config.h b/keyboards/9key/config.h
index 3c7b4e0ad6..b0462eb50f 100644
--- a/keyboards/9key/config.h
+++ b/keyboards/9key/config.h
@@ -15,8 +15,7 @@ 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 CONFIG_H
-#define CONFIG_H
+#pragma once
 
 #include "config_common.h"
 
@@ -45,5 +44,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define DIODE_DIRECTION COL2ROW
 
 #define TAPPING_TERM 200
-
-#endif