LPC: Finish DMA transfer, use HW SPI class (#19191)

Marlin/src/HAL/LPC1768/tft/xpt2046.cpp

@@ -72,7 +72,6 @@ bool XPT2046::getRawPoint(int16_t *x, int16_t *y) {
   if (!isTouched()) return false;
   *x = getRawData(XPT2046_X);
   *y = getRawData(XPT2046_Y);
-  SERIAL_ECHOLNPAIR("X: ", *x, ", Y: ", *y);
   return isTouched();
 }