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)
* Update to latest stable release, 7.0.197. * Add mirror site. * Fix and
improve comment and description. * Use the provided build infrastructure
instead of gratuitously replacing it with our own. * Tweak build defines.