devel/jansson: Update to 2.14

[diizzy]

Summary

PORTVERSION --> DISTVERSION
Remove patch (compiles fine without)
Move WWW links to GitHub repo

PR: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258425 (maintainer-feedback+)

Test Plan

Compile and tested on FreeBSD 13.0-STABLE #0 stable/13-n246086-a20c597c6d7 (amd64) (make, make check-plist, make test)
Poudriere testport OK 12.2-RELEASE (amd64)
Poudriere testport OK 11.4-RELEASE (amd64)

[diizzy]

I'm a bit confused regarding the reply whether we should to an exp-run or not though

[arrowd]

I believe the maintainer meant that it is fine to commit without an exprun.