staging: ks7010: remove unnecessary 'out of memory' message

This commit removes unnecessay out of memory message
fixing the following checkpach.pl warning:
WARNING: Possible unnecessary 'out of memory' message

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>