fix(template): remove default group when default group not has childen

remove default group when default group not has childen

Closes https://gitee.com/smart-doc-team/smart-doc/issues/I4IIC4

src/main/java/com/power/doc/model/ApiConfig.java

@@ -164,13 +164,6 @@ public class ApiConfig {
      */
     private String group;
 
-    /**
-     * 是否隐藏默认分组
-     *
-     * @since 2.3.2
-     */
-    private boolean hideDefaultGroup;
-
     /**
      * @since 1.7.5
      * project name
@@ -490,14 +483,6 @@ public class ApiConfig {
         return this;
     }
 
-    public boolean isHideDefaultGroup() {
-        return hideDefaultGroup;
-    }
-
-    public ApiConfig setHideDefaultGroup(boolean hideDefaultGroup) {
-        this.hideDefaultGroup = hideDefaultGroup;
-        return this;
-    }
 
     public List<ApiReqParam> getRequestParams() {
         return requestParams;