Reduce includes for crc header (#18947)

quantum/crc.h

@@ -16,7 +16,8 @@
 
 #pragma once
 
-#include "quantum.h"
+#include <stddef.h>
+#include <stdint.h>
 
 /**
  * The type of the CRC values.
@@ -41,4 +42,4 @@ __attribute__((weak)) void crc_init(void);
  * \param[in] data_len Number of bytes in the \a data buffer.
  * \return             The calculated crc value.
  */
-__attribute__((weak)) uint8_t crc8(const void *data, size_t data_len);
+__attribute__((weak)) uint8_t crc8(const void *data, size_t data_len);