msc example response PREVENT_ALLOW_MEDIUM_REMOVAL command as unsupported command

LUN1 of msc_disk_dual will be set to not ready to simulate medium not
present (e.g SD card removed)

examples/device/cdc_msc/src/msc_disk.c

@@ -243,11 +243,6 @@ int32_t tud_msc_scsi_cb (uint8_t lun, uint8_t const scsi_cmd[16], void* buffer,
 
   switch (scsi_cmd[0])
   {
-    case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
-      // Host is about to read/write etc ... better not to disconnect disk
-      resplen = 0;
-    break;
-
     default:
       // Set Sense = Invalid Command Operation
       tud_msc_set_sense(lun, SCSI_SENSE_ILLEGAL_REQUEST, 0x20, 0x00);