update cxf version in dependency-bom

Author: kimmking

dependencies-bom/pom.xml

@@ -84,7 +84,7 @@
         <curator_version>2.12.0</curator_version>
         <jedis_version>2.9.0</jedis_version>
         <xmemcached_version>1.3.6</xmemcached_version>
-        <cxf_version>3.0.14</cxf_version>
+        <cxf_version>3.2.4</cxf_version>
         <thrift_version>0.8.0</thrift_version>
         <hessian_version>4.0.38</hessian_version>
         <servlet_version>3.1.0</servlet_version>

dubbo-rpc/dubbo-rpc-webservice/pom.xml

@@ -43,12 +43,10 @@
         <dependency>
             <groupId>org.apache.cxf</groupId>
             <artifactId>cxf-rt-frontend-simple</artifactId>
-            <version>3.2.4</version>
         </dependency>
         <dependency>
             <groupId>org.apache.cxf</groupId>
             <artifactId>cxf-rt-transports-http</artifactId>
-            <version>3.2.4</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>

dubbo-test/dubbo-test-examples/src/main/java/com/alibaba/dubbo/examples/webservice/WebserviceConsumer.java

@@ -17,7 +17,6 @@
 package com.alibaba.dubbo.examples.webservice;
 
 import com.alibaba.dubbo.examples.webservice.api.*;
-import com.alibaba.dubbo.examples.webservice.impl.UserServiceImpl;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 /**