Staging: wilc1000: Remove unnecessary 'out of memory' message.

This patch fixes checkpatch.pl warning in file host_interface.c
WARNING: Possible unnecessary 'out of memory' message

Signed-off-by: Dilek Uzulmez <dilekuzulmez@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>