nilrt.inc: drop python-gevent preferred version
nilrt.inc: drop python-gevent preferred version

OE Sumo comes only with >= 1.2 so this doesn't make sense anymore.

Signed-off-by: Ioan-Adrian Ratiu <7ec73abcfe099fc5574c01312b62768070c80980@ni.com>

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