[WIP] Remove inactive projects from /contributing#204

Merged

colby-swandale merged 3 commits into

rubygems:gh-pagesfrom

duckinator:update-contributing

Jan 7, 2018

Commits on Dec 21, 2017

[contributing.md] remove rubygems-status link bc it's deprecated
duckinator
committed
[contributing.md] remove rubygems-test link bc it's been untouched since 2011.
duckinator
committed
[contributing.md] remove Isolate link bc it's been inactive for >2.5 years.
duckinator
committed