Remove sectorfile for first release

To reduce the number of possible corner cases
in the first keyxchangev2 release, this patch
removes the sector file with the intention to
add it back after release.

Signed-off-by: Fabian Bläse <fabian@blaese.de>
Reviewed-by: Tim Niemeyer <tim@tn-x.org>
Reviewed-by: Robert Langhammer <rlanghammer@web.de>
Tested-by: Fabian Bläse <fabian@blaese.de>