:bug: Remove editor-scoped messages on editor destroy
:bug: Remove editor-scoped messages on editor destroy

steelbrain/linter,Arcanemagus/linter,shawninder/linter,blakeembrey/linter,levity/linter,e-jigsaw/Linter,kaeluka/linter,elkeis/linter,AtomLinter/Linter,JohnMurga/linter,AsaAyers/linter,DanPurdy/linter,atom-community/linter,mdgriffith/linter,UltCombo/linter