Remove ARGV.debug?

Library/Homebrew/brew.rb

Library/Homebrew/build.rb

Library/Homebrew/cask/cmd.rb

Library/Homebrew/cleaner.rb

Library/Homebrew/extend/ARGV.rb

Library/Homebrew/formula.rb

Library/Homebrew/formula_installer.rb

Library/Homebrew/formula_versions.rb

Library/Homebrew/formulary.rb

Library/Homebrew/migrator.rb

Library/Homebrew/os/mac/keg.rb

Library/Homebrew/style.rb

Library/Homebrew/system_command.rb

Library/Homebrew/test/ARGV_spec.rb

Library/Homebrew/utils.rb