Angel metadata.instanceId works with Brixton

Fixes gh-642

spring-cloud-netflix-eureka-client/src/main/java/org/springframework/cloud/netflix/eureka/InstanceIdDataCenterInfo.java

@@ -1,44 +0,0 @@
-/*
- * Copyright 2013-2015 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.springframework.cloud.netflix.eureka;
-
-import com.netflix.appinfo.DataCenterInfo;
-import com.netflix.appinfo.UniqueIdentifier;
-
-/**
- * @author Spencer Gibb
- */
-public class InstanceIdDataCenterInfo implements DataCenterInfo,
-		UniqueIdentifier {
-
-	private String instanceId;
-
-	public InstanceIdDataCenterInfo(String instanceId) {
-		this.instanceId = instanceId;
-	}
-
-	@Override
-	public Name getName() {
-		return Name.MyOwn;
-	}
-
-	@Override
-	public String getId() {
-		return this.instanceId;
-	}
-
-}