Clean up type parameters in comments

pkg/analyzer/lib/dart/ast/ast_factory.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/src/generated/utilities_dart.dart';
 import 'package:front_end/src/scanner/token.dart';
 import 'package:meta/meta.dart';
 
 /**
@@ skipping 816 matching lines @@
    * a string literal, and a semicolon.
    */
   NativeFunctionBody nativeFunctionBody(
       Token nativeKeyword, StringLiteral stringLiteral, Token semicolon);
 
   /**
    * Returns a newly created list of nodes such that all of the nodes that
    * are added to the list will have their parent set to the given [owner]. The
    * list will initially be populated with the given [elements].
    */
-  NodeList/*<E>*/ nodeList/*<E extends AstNode>*/(AstNode owner,
-      [List/*<E>*/ elements]);
+  NodeList<E> nodeList<E extends AstNode>(AstNode owner, [List<E> elements]);
 
   /**
    * Returns a newly created null literal.
    */
   NullLiteral nullLiteral(Token literal);
 
   /**
    * Returns a newly created parenthesized expression.
    */
   ParenthesizedExpression parenthesizedExpression(
@@ skipping 265 matching lines @@
    */
   WithClause withClause(Token withKeyword, List<TypeName> mixinTypes);
 
   /**
    * Returns a newly created yield expression. The [star] can be `null` if no
    * star was provided.
    */
   YieldStatement yieldStatement(
       Token yieldKeyword, Token star, Expression expression, Token semicolon);
 }