Merge pull request #28919 from a-tarasyuk/feature/28893-allow-trailing-comma-on-tuple-types

feature/28893 allow trailing comma on tuple types

src/compiler/checker.ts

@@ -23641,7 +23641,6 @@ namespace ts {
                     break;
                 }
             }
-            checkGrammarForDisallowedTrailingComma(node.elementTypes);
             forEach(node.elementTypes, checkSourceElement);
         }