:art: Simplify validation in LinterViews::render
:art: Simplify validation in LinterViews::render

DanPurdy/linter,blakeembrey/linter,levity/linter,shawninder/linter,JohnMurga/linter,elkeis/linter,josa42/Linter,atom-community/linter,UltCombo/linter,kaeluka/linter,mdgriffith/linter,AtomLinter/Linter,simurai/linter-plus,e-jigsaw/Linter,steelbrain/linter,AsaAyers/linter,iam4x/linter,Arcanemagus/linter