Remove extra parens.

Author: DanielRosenwasser

src/compiler/checker.ts

@@ -8703,7 +8703,7 @@ namespace ts {
 
             const isProperty = isPropertyDeclaration(declaration) || isPropertySignature(declaration);
             const isOptional = includeOptionality && (
-                isProperty && !!(declaration).questionToken ||
+                isProperty && !!declaration.questionToken ||
                 isParameter(declaration) && (!!declaration.questionToken || isJSDocOptionalParameter(declaration)) ||
                 isOptionalJSDocPropertyLikeTag(declaration));
 
@@ -27895,7 +27895,7 @@ namespace ts {
                 // And if there is no reactNamespace/jsxFactory's symbol in scope when targeting React emit, we should issue an error.
                 const jsxFactoryRefErr = diagnostics && compilerOptions.jsx === JsxEmit.React ? Diagnostics.Cannot_find_name_0 : undefined;
                 const jsxFactoryNamespace = getJsxNamespace(node);
-                const jsxFactoryLocation = isNodeOpeningLikeElement ? (node).tagName : node;
+                const jsxFactoryLocation = isNodeOpeningLikeElement ? node.tagName : node;
 
                 // allow null as jsxFragmentFactory
                 let jsxFactorySym: Symbol | undefined;

src/compiler/utilities.ts

@@ -2219,7 +2219,7 @@ namespace ts {
         const e = isBinaryExpression(initializer)
             && (initializer.operatorToken.kind === SyntaxKind.BarBarToken || initializer.operatorToken.kind === SyntaxKind.QuestionQuestionToken)
             && getExpandoInitializer(initializer.right, isPrototypeAssignment);
-        if (e && isSameEntityName(name, (initializer).left)) {
+        if (e && isSameEntityName(name, initializer.left)) {
             return e;
         }
     }