phia: update debian/copyright (#1452)
phia: update debian/copyright (#1452)

Finish removal of third-party code from phia.c.

mejedi/tarantool,rtsisyk/tarantool,rtsisyk/tarantool,mejedi/tarantool,rtsisyk/tarantool,mejedi/tarantool,rtsisyk/tarantool,mejedi/tarantool