The GPLv3 logic was added back when gnome-common was GPLv3 but that has since
been fixed so the logic can be removed.
Also remove the export of HOST_SYS and BUILD_SYS (added in 397793) as cmake
works fine without them.
(From OE-Core rev: 71382cb226129c7991a82e37f3e8723042608546)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>