staging: media: lirc: lirc_zilog.c: remove unnecessary 'out of memory' message

This patch fixes the following the following checkpatch.pl warning:

Possible unnecessary 'out of memory' message

The warning was issued for the file lirc_zilog.c after changing
two custom printk messages to dev_err. The dev_err calls were
simply removed.

Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>