core: revert the addition of linux windows os

commit I09d817323c8b6a7d2ca02c29c200dc4507d6b94c mistakenly added those
oss back to osinfo props.

Change-Id: Ia09156e21e17f853aee37fe15d70a52d028211ca
Signed-off-by: Roy Golan <rgolan@redhat.com>