staging: wilc1000: remove ununsed variable & corresponding lines

This patch removes a couple of ununsed variable.The lines in which these
variables are assigned are also removed as they are not necessary.

Signed-off-by: Hari Prasath Gujulan Elango <hgujulan@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>