Change keyboard level include guards to pragma once (#14248)

* Change keyboard level include guards to `pragma once`

And clean up a lot of layout macros

* Oops

* Remove dangling endif

keyboards/fc980c/actuation_point.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 ACTUATION_POINT_H
-#define ACTUATION_POINT_H
+#pragma once
 
 #include <stdint.h>
 
@@ -28,5 +27,3 @@ void actuation_point_down(void);
 
 // be careful with this.
 void adjust_actuation_point(int offset);
-
-#endif

keyboards/fc980c/config.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 CONFIG_H
-#define CONFIG_H
+#pragma once
 
 #include "config_common.h"
 
@@ -87,5 +86,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // test all keys before further adjustment.
 // this should probably stay in the range +/-5.
 // #define ACTUATION_DEPTH_ADJUSTMENT 0
-
-#endif

keyboards/fc980c/i2c.h

@@ -1,5 +1,4 @@
-#ifndef I2C_H
-#define I2C_H
+#pragma once
 
 #include <stdint.h>
 
@@ -45,5 +44,3 @@ extern unsigned char i2c_readNak(void);
 extern unsigned char i2c_read(unsigned char ack);
 
 #define i2c_read(ack)  (ack) ? i2c_readAck() : i2c_readNak();
-
-#endif