benchmark/README.md: don't recommend alias installation [ci skip]
benchmark_driver is the official way to install benchmark_driver. benchmark-driver is just an alias for it.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63930 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
benchmark/README.md: don't recommend alias installation [ci skip]
benchmark_driver is the official way to install benchmark_driver.
benchmark-driver is just an alias for it.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63930 b2dd03c8-39d4-4d8f-98ff-823fe69b080e