fix：无人机均值问题修改

cjl

2023-11-01 cf12e020761272be8c19d3b77c1dce07fba6de85

 screen-manage/src/main/java/com/moral/api/entity/SysArea.java

@@ -44,9 +44,4 @@
    private List<SysArea> children;


    @Override
    protected Serializable pkVal() {
        return this.areaCode;
    }

}