Cleanup Default Keymaps (#5442)

* Cleanup Default Keymaps to conform to QMK Firmware standards

* Minor fixes

* Revert some changes

keyboards/orthodox/keymaps/default/config.h

@@ -19,10 +19,7 @@ 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_USER_H
-#define CONFIG_USER_H
-
-#include "config_common.h"
+#pragma once
 
 /* Use I2C or Serial, not both */
 
@@ -44,6 +41,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
                                   SONG(DVORAK_SOUND) \
                                 }
 #endif
-
-
-#endif