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

tmk_core/protocol/m0110.h

@@ -35,8 +35,7 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.
 */
 
-#ifndef M0110_H
-#define M0110_H
+#pragma once
 
 /* port settings for clock and data line */
 #if !(defined(M0110_CLOCK_PORT) && defined(M0110_CLOCK_PIN) && defined(M0110_CLOCK_DDR) && defined(M0110_CLOCK_BIT))
@@ -80,5 +79,3 @@ uint8_t m0110_recv(void);
 uint8_t m0110_recv_key(void);
 uint8_t m0110_inquiry(void);
 uint8_t m0110_instant(void);
-
-#endif