rtlwifi: remove redundant assignment to variable badworden

The variable badworden is assigned with a value that is never read and
it is re-assigned a new value immediately afterwards.  The assignment is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>