Deprecating brew cask plugin (#5191)
Deprecating brew cask plugin (#5191)

The good completion is now part of Homebrew so this one  will always be outdated.

See https://github.com/Homebrew/brew/pull/407
and https://github.com/Homebrew/brew/pull/936.
tekniklr/oh-my-zsh,tekniklr/oh-my-zsh