reuseport is not HTTP/3 only (#283)

* reuseport is not HTTP/3 only

* Forgot to remove these

* Move reuseport to global > https

* Update i18n files

* Only set reuseport once per ip:port pair

* Move reuseport opt outside ssl conditional

* Update copyright headers of touched files

Co-authored-by: MattIPv4 <me@mattcowley.co.uk>