does not delete ./bundler/gems/* created by bundler git refs #2
Description
Was: rvm/rvm#3381
https://gist.github.com/dholdren/8a6de8541e538181fb8f
If you have a git source in a Gemfile, bundler will checkout the branch/tag/sha into:
<gem installation path>/bundler
i.e. <gemset dir>/bundler
but when you issue rvm gemset empty this directory is not cleaned out.