Re: brcmfmac: sdio: remove unused variable retry_limit

From: Colin Ian King <redacted>

retry_limit has never been used during the life of this driver, so
we may as well remove it as it is redundant.

Signed-off-by: Colin Ian King <redacted>
Reviewed-by: Julian Calaby <redacted>

Thanks, applied to wireless-drivers-next.git.

Kalle Valo