cleanup: Remove expired ports:

2022-04-30 www/shttpd: Abandonware, last release over 12+ years ago
2022-04-30 mail/p5-Email-Sender-Transport-SMTPS: Deprecated by upstream. Use
Email::Sender::Transport::SMTP in mail/p5-Email-Sender instead
2022-04-30 net/gogoc: Services were discontinued in 2016

www/shttpd: Deprecate and set expiration date to 2022-04-31

Hasn't been maintained in 12+ years and upstream moved on to create
mongoose (www/mongoose in tree)

PR:		219011
Reported by:	dfenwick@fastmail.com, mandree

Remove # $FreeBSD$ from Makefiles.

Support LIBS like LDFLAGS.

- Add LIBS="${LIBS}" to MAKE_ENV and CONFIGURE_ENV.
- Add an option helper for LIBS.
- Adjust all ports that already use LIBS.  Also remove references to
  PTHREAD_CFLAGS and PTHREAD_LIBS while here.
- Some ports did not support having a LIBS environment variable and
  required additional patches.

Somewhat simplified a linker command line looks like:

${CC} ${src_LDFLAGS} ${LDFLAGS} ${src_LIBS} ${LIBS}

where src_LDFLAGS and src_LIBS are controlled by upstream and LDFLAGS and
LIBS can be controlled by us.  If possible -L and -l flags need to be

- Support staging
- Use WWW: with a single space
- Remove duplicate default DISTNAME definition

Add NO_STAGE all over the place in preparation for the staging support (cat:
www)

- Get Rid MD5 support

- Update to 1.42

PR:             130078
Submitted by:   Dennis Herrmann <adox@mcx2.org>
Approved by:    maintainer timeout

Update to 1.41

PR:             ports/124170
Submitted by:   Sergey Lyubka <valenok@gmail.com>
Approved by:    garga (mentor, implicit)

Update to 1.38

PR:             114700
Approved by:    "Sergey Lyubka" <valenok@gmail.com> (maintainer)

- Update to 1.37.

PR:             ports/112272
Submitted by:   Patrick Powell <papowell@astart.com>
Approved by:    stas (mentor)

Update to 1.35

PR:             ports/98361
Submitted by:   miwi
Approved by:    krion (mentor), maintainer

- Update to 1.33

PR:             92625
Submitted by:   Sergey Lyubka <valenok@gmail.com> (maintainer)

- Update to 1.32
- Retire etc/shttpd.conf, it appeared and not needed by default

PR:             91550
Submitted by:   Sergey Lyubka <valenok@gmail.com> (maintainer)

Update to 1.28
Add SHA256
Portlint

PR:             89496
Submitted by:   Sergey Lyubka <valenok@gmail.com> (maintainer)

Update to 1.27

PR:             87172
Submitted by:   Sergey Lyubka <valenok@gmail.com> (maintainer)
Approved by:    novel (mentor)

- Fix distinfo (distfile re-rolled, CRLF -> LF in source).

PR:             ports/82778
Submitted by:   maintainer

- Update to 1.25
  (index substitution fix)

PR:             ports/82515
Submitted by:   maintainer

- Update to 1.24
- Change COMMENT and description

PR:             ports/82220
Submitted by:   maintainer

Update to 1.19.

PR:             81305
Submitted by:   Sergey Lyubka (maintainer)

Update to 1.17

PR:             80707
Submitted by:   Sergey Lyubka (maintainer)

- Update to 1.15

PR:             ports/80191
Submitted by:   maintainer

- upgrade to 1.14

PR:             80044
Submitted by:   Sergey Lyubka <valenok@gmail.com> (maintainer)

- Update to 1.9

PR:             ports/77343
Submitted by:   maintainer

- Update to 1.5

PR:             ports/75912
Submitted by:   maintainer

- Update to 1.3

PR:             ports/75227
Submitted by:   maintainer

SHTTPD is a simple, easy to use, embeddable web server with CGI,
SSL, cookies support.

PR:             ports/75102
Submitted by:   Sergey Lyubka <valenok(at)gmail.com>