[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/kbd6x/kbd6x.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 KBD6X_H
-#define KBD6X_H
+#pragma once
 
 #include "quantum.h"
 
@@ -32,5 +31,3 @@
     { K30, K31, K32, K33,   K34,   K35,   K36, K37,   K38,   K39,   K3A, K3B, K3C, KC_NO }, \
     { K40, K41, K42, KC_NO, KC_NO, KC_NO, K46, KC_NO, KC_NO, KC_NO, K4A, K4B, K4C, K4D   }, \
 }
-
-#endif