[Keyboard] KBDFans Minor Fixes (#5238)

* pragma once and turn on bootmagic lite

* pragma once changes and turning on bootmagic lite

* switch to using pragma once

* switch to using #pragma once

* switch to using #pramga once

keyboards/kbdfans/kbd4x/kbd4x.h

@@ -13,8 +13,7 @@
  * 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 KBD4X_H
-#define KBD4X_H
+#pragma once
 
 #include "quantum.h"
 
@@ -44,5 +43,3 @@
 	{ k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b }, \
 	{ k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b } \
 }
-
-#endif