It was written in Ruby before, requiring the Ruby runtime to be installed. With Go you have actual binaries. They also aren't linked to anything Go specific, so

It was written in Ruby before, requiring the Ruby runtime to be installed. With Go you have actual binaries. They also aren't linked to anything Go specific, so you can easily distribute them without installing anything Go specific on those machines. So in the end the removal of the Ruby dependency should clean up your local machine ;)