security/clamav: upgrade 0.102.1 -> 0.102.2

• Remove MSPACK option and always use archivers/libmspack in accordance with policy about bundled library described in 6.2 of Porter's Handbook.
• Remove obsolete and no-op options from CONFIGURE_ARGS.

PR: 243914
Submitted by: Yasuhiro KIMURA <yasu@utahime.org> (maintainer)
Relnotes: https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.html
Security: CVE-2020-3123