No SD_CHECK_AND_RETRY with USE_USB_COMPOSITE (STM32F103 + SDIO) (#18108)

* disable SD_CHECK_AND_RETRY when USE_USB_COMPOSITE is enabled

* Update Sd2Card.cpp

* Disable SD_CHECK_AND_RETRY with USE_USB_COMPOSITE

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
Co-authored-by: Scott Lahteine <github@thinkyhead.com>

Marlin/src/HAL/STM32F1/inc/Conditionals_LCD.h

  *
  */
 #pragma once
+
+#if ENABLED(USE_USB_COMPOSITE)
+  //#warning "SD_CHECK_AND_RETRY isn't needed with USE_USB_COMPOSITE."
+  #undef SD_CHECK_AND_RETRY
+#endif

Marlin/src/sd/Sd2Card.cpp

 // Send one block of data for write block or write multiple blocks
 bool Sd2Card::writeData(const uint8_t token, const uint8_t* src) {
 
-  uint16_t crc =
+  const uint16_t crc =
     #if ENABLED(SD_CHECK_AND_RETRY)
       CRC_CCITT(src, 512)
     #else