Log Message:
mutt: update to 1.14.4.

Remove some patches that would get voting rights soon.
Remove support for NetBSD 1.5.
pkglint cleanup.
XXX: someone should send the remaining patches upstream.

Mutt 1.14.4 was released on June 18, 2020. This is an important
bug-fix release. It fixes a possible machine-in-the-middle response
injection attack when using STARTTLS with IMAP, POP3, and SMTP
(CVE-2020-14954).

Mutt 1.14.3 was released on June 14, 2020. This is an important
bug-fix release. It fixes a possible IMAP fcc/postpone
machine-in-the-middle attack (CVE-2020-14093). It also fixes some
GnuTLS certificate prompt issues.

Mutt 1.14.2 was released on May 25, 2020. This is a bug-fix release,
fixing a few prompt buffer-size issues and adding a potential DoS
mitigation.

Mutt 1.14.1 was released on May 16, 2020. This is a bug-fix release,
fixing a documentation build issue and a few other small bugs.

Mutt 1.14.0 was released on May 2, 2020. This release has new
features and bug fixes. See the UPDATING file, or for more details
see the release notes page.