Remove benchmarks from FCS solution + fix setting LKG flag + no nulls#16732

vzarytovskii merged 1 commit intodotnet:maindotnet/fsharp:mainfrom

vzarytovskii:fix-lkg-building-and-remove-benchmarksvzarytovskii/fsharp:fix-lkg-building-and-remove-benchmarksCopy head branch name to clipboard