Remove `CheckMode.IsForStringLiteralArgumentCompletions`#55867

DanielRosenwasser merged 1 commit intomicrosoft:mainmicrosoft/TypeScript:mainfrom

Andarist:get-rid-off-for-string-literal-arg-completionsAndarist/TypeScript:get-rid-off-for-string-literal-arg-completionsCopy head branch name to clipboard