Remove WWW entries moved into port Makefiles
Commit b7f05445c00f has added WWW entries to port Makefiles based on
WWW: lines in pkg-descr files.
This commit removes the WWW: lines of moved-over URLs from these
Approved by: portmgr (tcberner)
devel/xxhash: new port
xxHash is an extremely fast non-cryptographic hash algorithm, running at RAM
speed limits. It is proposed in two flavors, 32 and 64 bits. It successfully
completes the SMHasher test suite which evaluates collision, dispersion and
randomness qualities of hash functions. Code is highly portable, and hashes
are identical on all platforms (little / big endian).
Approved by: feld (mentor)
Differential Revision: https://reviews.freebsd.org/D9468