Change include guards in tmk_core/ and drivers/ to pragma once (#11240)

tmk_core/common/action_tapping.h

@@ -14,8 +14,8 @@ 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 ACTION_TAPPING_H
-#define ACTION_TAPPING_H
+
+#pragma once
 
 /* period of tapping(ms) */
 #ifndef TAPPING_TERM
@@ -36,5 +36,3 @@ uint16_t get_event_keycode(keyevent_t event, bool update_layer_cache);
 uint16_t get_tapping_term(uint16_t keycode, keyrecord_t *record);
 void     action_tapping_process(keyrecord_t record);
 #endif
-
-#endif