update: 去掉不用的import

Author: mySingleLive

forest-core/src/main/java/com/dtflys/forest/http/ForestRoutes.java

@@ -1,6 +1,5 @@
 package com.dtflys.forest.http;
 
-import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;