Optimize size of Pearl keyboard

keyboards/pearl/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 PEARL_CONFIG_H
-#define PEARL_CONFIG_H
+#pragma once
 
 #include "config_common.h"
 
@@ -46,4 +45,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* key combination for command */
 #define IS_COMMAND() (keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)))
 
-#endif
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION
+