Remove backends.

compiler/java/com/google/dart/compiler/backend/js/ast/JsParameter.java

Index: compiler/java/com/google/dart/compiler/backend/js/ast/JsParameter.java
diff --git a/compiler/java/com/google/dart/compiler/backend/js/ast/JsParameter.java b/compiler/java/com/google/dart/compiler/backend/js/ast/JsParameter.java
deleted file mode 100644
index 758767d62bc30b7f43cdce05a9bf31080dcc54f4..0000000000000000000000000000000000000000
--- a/compiler/java/com/google/dart/compiler/backend/js/ast/JsParameter.java
+++ /dev/null
@@ -1,41 +0,0 @@
-// Copyright (c) 2011, 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.
-
-package com.google.dart.compiler.backend.js.ast;
-
-import com.google.dart.compiler.common.Symbol;
-
-/**
- * A JavaScript parameter.
- */
-public final class JsParameter extends JsNode implements HasName {
-
-  private final JsName name;
-
-  public JsParameter(JsName name) {
-    this.name = name;
-    name.setStaticRef(this);
-  }
-
-  @Override
-  public JsName getName() {
-    return name;
-  }
-
-  @Override
-  public Symbol getSymbol() {
-    return name;
-  }
-
-  @Override
-  public void traverse(JsVisitor v, JsContext ctx) {
-    v.visit(this, ctx);
-    v.endVisit(this, ctx);
-  }
-
-  @Override
-  public NodeKind getKind() {
-    return NodeKind.PARAMETER;
-  }
-}