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
pkg-descr files.
Approved by: portmgr (tcberner)
For some unmaintained ports:
- fix format for pkg-descr
- convert to OptionsNG
- remove logic for older versions of python which we no longer support
- remove option for old versions of FreeBSD
- unconditionally set PORTDOCS
- etc.
Reviewed by: jgh