Uninstalling the lunchy gem does not properly unlink the lunchy bin file

[anfleene]

Error: The `brew link` step did not complete successfully
The formula built, but is not symlinked into /usr/local
Could not symlink bin/lunchy
Target /usr/local/bin/lunchy
is a symlink belonging to lunchy. You can unlink it:
 brew unlink lunchy

To force the link and overwrite all conflicting files:
 brew link --overwrite gem-lunchy

To list all files that would be deleted:
 brew link --overwrite --dry-run gem-lunchy

Possible conflicting files are:
/usr/local/bin/lunchy -> /usr/local/Cellar/lunchy/0.10.4/bin/lunchy
==> Summary
:beer:  /usr/local/Cellar/gem-lunchy/0.10.4: 16 files, 30.6K, built in 6 seconds