workspaces throwing warnings in yarn

[ghost]

Tracked this down to clipanion and typanion. Leaving workspaces in 'package.json' causes yarn to whine, even though they're in node_modules, which I figured it'd ignore, but noooooooo

➜ root git:(master) ✗ yarn install
yarn install v1.22.10
[1/4] 🔍 Resolving packages...
[2/4] 🚚 Fetching packages...
[3/4] 🔗 Linking dependencies...
warning Workspaces can only be enabled in private projects.
warning Workspaces can only be enabled in private projects.
warning Workspaces can only be enabled in private projects.
warning Workspaces can only be enabled in private projects.