staging: wilc1000: parse_network_info: remove s32Error

s32Error is defined, but not used anywhere in this function.
Then just delete it and return 0 at the end of this function.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>