Remove legacy CodeMirror based pretty printers These haven't been used in a while. We already support JS/CSS formatters on a worker without CodeMirror.
Created attachment 378428 [details] [PATCH] Proposed Fix
Comment on attachment 378428 [details] [PATCH] Proposed Fix r=me after rebase :)
Just waiting on the earlier patch to land.
Actually no need to wait for HTML Formatter. I can land this first.
Created attachment 378515 [details] [PATCH] For Landing
Created attachment 378516 [details] [PATCH] For Landing
Comment on attachment 378516 [details] [PATCH] For Landing Clearing flags on attachment: 378516 Committed r249751: <https://trac.webkit.org/changeset/249751>
<rdar://problem/55276530>