Clean up type parameters in comments

pkg/analyzer/lib/src/dart/element/handle.dart

 // Copyright (c) 2014, 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.
 
 library analyzer.src.generated.element_handle;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/constant/value.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
@@ skipping 394 matching lines @@
   Source get source => actualElement.source;
 
   @override
   CompilationUnit get unit => actualElement.unit;
 
   @override
   bool operator ==(Object object) =>
       object is Element && object.location == _location;
 
   @override
-  /*=T*/ accept/*<T>*/(ElementVisitor<dynamic/*=T*/ > visitor) =>
-      actualElement.accept(visitor);
+  T accept<T>(ElementVisitor<T> visitor) => actualElement.accept(visitor);
 
   @override
   String computeDocumentationComment() => documentationComment;
 
   @override
   AstNode computeNode() => actualElement.computeNode();
 
   @override
-  Element/*=E*/ getAncestor/*<E extends Element >*/(
-          Predicate<Element> predicate) =>
+  E getAncestor<E extends Element>(Predicate<Element> predicate) =>
       actualElement.getAncestor(predicate);
 
   @override
   String getExtendedDisplayName(String shortName) =>
       actualElement.getExtendedDisplayName(shortName);
 
   @override
   bool isAccessibleIn(LibraryElement library) =>
       actualElement.isAccessibleIn(library);
 
@@ skipping 725 matching lines @@
 
   @override
   bool get isStatic => actualElement.isStatic;
 
   @override
   DartType get type => actualElement.type;
 
   @override
   DartObject computeConstantValue() => actualElement.computeConstantValue();
 }