[Keyboard] Update NovelPad (#6559)

* Update NovelPad

* Lowercase readme

* Update keyboards/novelpad/keymaps/default/keymap.c

Co-Authored-By: Joel Challis <git@zvecr.com>

* Remove default F_CPU, F_USB, ARCH, and OPT_DEFS - covered in mcu_selection.mk

keyboards/novelpad/novelpad.h

@@ -14,25 +14,23 @@ 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 KB_H
-#define KB_H
+
+#pragma once
 
 #include "quantum.h"
 
 #define LAYOUT_ortho_5x4( \
-	K00, K01, K02, K03, \
-	K10, K11, K12, K13, \
-	K20, K21, K22, K23, \
-	K30, K31, K32, K33, \
-  K40, K41, K42, K43  \
+    K00, K01, K02, K03, \
+    K10, K11, K12, K13, \
+    K20, K21, K22, K23, \
+    K30, K31, K32, K33, \
+    K40, K41, K42, K43  \
 ) { \
-	{ K00,   K01,   K02,   K03 }, \
-	{ K10,   K11,   K12,   K13 }, \
-	{ K20,   K21,   K22,   K23 }, \
-	{ K30,   K31,   K32,   K33 }, \
-  { K40,   K41,   K42,   K43 } \
+    { K00,   K01,   K02,   K03 }, \
+    { K10,   K11,   K12,   K13 }, \
+    { K20,   K21,   K22,   K23 }, \
+    { K30,   K31,   K32,   K33 }, \
+    { K40,   K41,   K42,   K43 } \
 }
 
 #define LAYOUT LAYOUT_ortho_5x4
-
-#endif