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, 4 insertions, 6 deletions

diff --git a/keyboards/bigseries/2key/2key.h b/keyboards/bigseries/2key/2key.h
index dcbf2f764c..eff82fef93 100755
--- a/keyboards/bigseries/2key/2key.h
+++ b/keyboards/bigseries/2key/2key.h
@@ -14,15 +14,13 @@ 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  \
+    k00, k01 \
 ) { \
-  { K00, K01 }  \
+    { k00, k01 } \
 }
-
-#endif