规范代码，去掉没用的注释

ghy-admin/src/main/java/com/ghy/web/controller/pay/WxPayController.java

@@ -5,10 +5,9 @@ import com.ghy.common.core.controller.BaseController;
 import com.ghy.common.core.domain.AjaxResult;
 import com.ghy.common.utils.WxUtils;
 import org.springframework.stereotype.Controller;
-import org.springframework.util.Assert;
 import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
 
 import javax.servlet.http.HttpServletRequest;
 
@@ -16,7 +15,6 @@ import javax.servlet.http.HttpServletRequest;
 @RequestMapping("/pay/wx")
 public class WxPayController extends BaseController {
 
-
     /**
      * 微信公众号支付.
      * https://open.weixin.qq.com/connect/oauth2/authorize?
@@ -26,6 +24,7 @@ public class WxPayController extends BaseController {
      * &scope=snsapi_userinfo&state=STATE&connect_redirect=1#wechat_redirect
      * */
     @GetMapping("/pub")
+    @ResponseBody
     public AjaxResult pubPay(HttpServletRequest request){
         String code = request.getParameter("code");