mmc: block: No need to export mmc_cleanup_queue()

mmc_cleanup_queue() is not used by a different module. Do not export it.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>

drivers/mmc/core/queue.c

@@ -270,7 +270,6 @@ void mmc_cleanup_queue(struct mmc_queue *mq)
 
 	mq->card = NULL;
 }
-EXPORT_SYMBOL(mmc_cleanup_queue);
 
 /**
  * mmc_queue_suspend - suspend a MMC request queue