remove deprecated @EnableHystrix

fixes gh-87

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/hystrix/EnableHystrix.java

@@ -1,31 +0,0 @@
-/*
- * Copyright 2013-2014 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.hystrix;
-
-import org.springframework.context.annotation.Import;
-
-import java.lang.annotation.*;
-
-/**
- * @author Spencer Gibb
- */
-@Target(ElementType.TYPE)
-@Retention(RetentionPolicy.RUNTIME)
-@Documented
-@Import(HystrixCircuitBreakerConfiguration.class)
-@Deprecated
-public @interface EnableHystrix {
-}