nilrt-safemode-ramdisk: stop putting version into /etc/natinst/safemode
nilrt-safemode-ramdisk: stop putting version into /etc/natinst/safemode

Users look at the existence of this file, but there are no known users
that look at the contents. Deliberately stop putting the version into
here so that users don't think it's part of the API surface.

Signed-off-by: Brandon Streiff <13fa32f2726d04b7021cfff7b1046af0e9dba2df@ni.com>

ni/meta-nilrt,ni/meta-nilrt,ni/meta-nilrt,ni/meta-nilrt,ni/meta-nilrt