Migrate serial_uart usages to UART driver (#15479)

* Migrate Thermal Printer feature to UART driver

* Migrate 40percentclub UT47 to UART driver

* Migrate Centromere to UART driver

* Migrate Chimera Ergo to UART driver

* Migrate Chimera Let's Split to UART driver

* Migrate Chimera Ortho to UART driver

* Migrate Chimera Ortho Plus to UART driver

* Migrate Comet46 to UART driver

* Migrate Palm USB converter to UART driver

* Migrate Sun USB converter to UART driver

* Migrate Dichotomy to UART driver

* Migrate Honeycomb to UART driver

* Migrate Mitosis to UART driver

* Migrate Redox W to UART driver

* Migrate Uni660 to UART driver

* Migrate Telophase to UART driver

keyboards/40percentclub/ut47/matrix.c

@@ -26,10 +26,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "debug.h"
 #include "util.h"
 #include "matrix.h"
-#ifdef LED_ENABLE
-    #include "protocol/serial.h"
-#endif
-
 
 #ifndef DEBOUNCE
 #   define DEBOUNCE	5
@@ -69,10 +65,6 @@ void matrix_init(void)
         matrix[i] = 0;
         matrix_debouncing[i] = 0;
     }
-  
-#ifdef LED_ENABLE
-    serial_init();
-#endif
 }
 
 uint8_t matrix_scan(void)