staging: rtl8188eu: remove dead code in rtw_drv_init()

(status != _SUCCESS) immediately after 'status = _SUCCESS' will never evaluate
true. Thus remove the logically dead code. Detected by Coverity - CID 1077553.

Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>