Drop inferring version to install from `pyenv local`
Drop inferring version to install from `pyenv local`

This behavior is only triggered when the version is provided as an empty string,
is undocumented and breaks if multiple local versions are specified
(rightly so since it's unclear which of them to install).

sebhahn/pyenv,pyenv/pyenv,pyenv/pyenv,sebhahn/pyenv,sebhahn/pyenv,pyenv/pyenv