data.json 存在重复邮编

710300 与 710400 下属存在重复。

```json
{
"710300": {
"710301": "仁爱区",
"710302": "信义区",
"710303": "中正区",
"710304": "暖暖区",
"710305": "安乐区",
"710307": "七堵区"
},
"710400": {
"710301": "中区",
"710302": "东区",
"710303": "南区",
"710304": "西区",
"710305": "北区",
"710306": "北屯区",
"710307": "西屯区",
"710308": "南屯区"
},
"710500": {
"710501": "中西区",
"710502": "东区",
"710503": "南区",
"710504": "北区",
"710505": "安平区",
"710506": "安南区"
},
}
```