fix(测试跟踪): 删除版本用例提示问题

--bug=1019021 --user=宋昌昌 【测试跟踪】功能用例-在编辑用例页，版本历史中删除版本提示信息显示“删除接口xxx” https://www.tapd.cn/55049933/s/1282152

test-track/frontend/src/business/case/components/TestCaseEdit.vue

@@ -1101,7 +1101,7 @@ export default {
     },
     del(row) {
       let that = this;
-      this.$alert(this.$t('api_test.definition.request.delete_confirm') + ' ' + row.name + " ？", '', {
+      this.$alert(this.$t('test_track.case.delete_confirm') + ' ' + row.name + " ？", '', {
         confirmButtonText: this.$t('commons.confirm'),
         callback: (action) => {
           if (action === 'confirm') {