Change include guards in tmk_core/ and drivers/ to pragma once (#11240)

tmk_core/common/nodebug.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 NODEBUG_H
-#define NODEBUG_H
+#pragma once
 
 #ifndef NO_DEBUG
 #    define NO_DEBUG
@@ -25,5 +24,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #else
 #    include "debug.h"
 #endif
-
-#endif