msp? 커맨드 삭제(IMU direct read)

- mim?으로 대체(IMU FIFO)

src/command/handlers/cmd_sensor.h

@@ -8,7 +8,6 @@
 #include <stdint.h>
 
 int cmd_msn(const uint8_t *data, uint8_t data_len);
-int cmd_msp(const uint8_t *data, uint8_t data_len);
 int cmd_mim(const uint8_t *data, uint8_t data_len);
 int cmd_mst(const uint8_t *data, uint8_t data_len);
 int cmd_mls(const uint8_t *data, uint8_t data_len);