wireless: remove unneeded variable from regulatory_hint_11d()

The "rd" variable isn't needed any more since 4f366c5dabcb
"wireless: only use alpha2 regulatory information from country IE"

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
1 file changed