Address PR: fix typo

Author: Kanchalai Tanglertsampan

src/compiler/emitter.ts

@@ -1837,7 +1837,7 @@ namespace ts {
             write("<");
             emitJsxTagName(node.tagName);
             writeIfAny(node.attributes.properties, " ");
-            // We are checking here so we won't re-enter the emiting pipeline and emit extra sourcemap
+            // We are checking here so we won't re-enter the emitting pipeline and emit extra sourcemap
             if (node.attributes.properties && node.attributes.properties.length > 0) {
                 emit(node.attributes);
             }

src/compiler/types.ts

@@ -2702,7 +2702,6 @@
         /* @internal */ isReferenced?: boolean; // True if the symbol is referenced elsewhere
         /* @internal */ isReplaceableByMethod?: boolean; // Can this Javascript class property be replaced by a method symbol?
         /* @internal */ isAssigned?: boolean;   // True if the symbol is a parameter with assignments
-        /* @internal */ syntheticKind?: SyntheticSymbolKind; // Synthetic symbols are either spread or union/intersection
     }
 
     /* @internal */