dev-perl/Pod-Readme: Bump to 1.2.3

dev-perl/Pod-Readme: Bump to 1.2.3

- EAPI7
- Dropped keywords:
  - amd64-linux x86-linux
  - m68k-mint ppc-aix
  - sparc-solaris sparc64-solaris  x64-solaris x86-solaris
  - x64-macos x86-macos
  Due to deps:
    dev-perl/Pod-Markdown-Github
    dev-perl/Test-Kit
    dev-perl/IO-String
- Removed now-redundant MI hacking

Required by:
- dev-perl/Dist-Zilla-Plugin-ReadmeFromPod
- via dev-perl/Dist-Milla
(for dev-perl/App-cpanminus from git sources )

Upstream:
- Migrate away from Module::Install, to fix .-in-INC bugs
- Remove Dist::Zilla from Pod::Readme::Types
- "md" alias for markdown added to pod2readme
- "github"/"gfm" support added to pod2readme

Package-Manager: Portage-2.3.99, Repoman-2.3.22
Signed-off-by: Kent Fredric <kentnl@gentoo.org>