从角度js中删除另一个json列表中的列表

This is the main json list

这是主要的json列表

allData=
{
    "searchList": [{
        "vaccinationId": 1,
        "vaccinationName": "vacc 1",
        "vaccinationNameAr": null
    }, {
        "vaccinationId": 2,
        "vaccinationName": "vacc 2",
        "vaccinationNameAr": null
    }, {
        "vaccinationId": 3,
        "vaccinationName": "vacc 3",
        "vaccinationNameAr": null
    }, {
        "vaccinationId": 4,
        "vaccinationName": "vacc 4",
        "vaccinationNameAr": null
    }, {
        "vaccinationId": 5,
        "vaccinationName": "vacc 5",
        "vaccinationNameAr": null
    }, {
        "vaccinationId": 6,
        "vaccinationName": "vacc 6",
        "vaccinationNameAr": null
    }]
}
allD