convert2hafas: canonical file generation

With perls with hash randomization enabled (5.18+) the handling of
3nocross records generated files in random order. To prevent this,
get_surrounding_points() is using now Tie::IxHash.
data update (no real change)

Regenerated files after convert2hafas was changed to have a defined order
with all perl versions.
remove unused stuff
data update (temp blockings)