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

1 files changed, 6 insertions, 8 deletions

diff --git a/keyboards/bigseries/4key/4key.h b/keyboards/bigseries/4key/4key.h
index 21373fdeda..7e9ff7a793 100755
--- a/keyboards/bigseries/4key/4key.h
+++ b/keyboards/bigseries/4key/4key.h
@@ -14,17 +14,15 @@ GNU General Public License for more details.
 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 BIGSWITCH_H
-#define BIGSWITCH_H
+
+#pragma once
 
 #include "quantum.h"
 
 #define LAYOUT( \
-  K00, K01, \
-  K10, K11 \
+    k00, k01, \
+    k10, k11 \
 ) { \
-  { K00, K01 },  \
-  { K10, K11 }  \
+    { k00, k01 }, \
+    { k10, k11 } \
 }
-
-#endif