Move haproxy and seaport to devDependencies
Move haproxy and seaport to devDependencies

We don't actually need them for the library itself.

Signed-off-by: Tim Smart <5ee0edb9e2229c0838f1959779f1949031de0123@fostle.com>

tim-smart/node-seaport-haproxy,tim-smart/node-seaport-haproxy