This reverts commit 3fcb9431.

This reverts commit 8b65b2a3.

Because windows install sets didn't get generated afterwards,
possibly due to cygwin absolute path complexity

I doubt that the "LOADER" token is needed at all, but will investigate that
later.

Signed-off-by: Andras Timar <atimar@suse.com>

drop archaic makefile.mks and export.maps and use consistent naming