nvme-auth: remove symbol export from nvme_auth_reset

Only the nvme module calls it.
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/nvme/host/auth.c

@@ -932,7 +932,6 @@ void nvme_auth_reset(struct nvme_ctrl *ctrl)
 	}
 	mutex_unlock(&ctrl->dhchap_auth_mutex);
 }
-EXPORT_SYMBOL_GPL(nvme_auth_reset);
 
 static void nvme_ctrl_auth_work(struct work_struct *work)
 {