chore: backwards compatibility with train modal for ext. links

src/mixins/modalTrainMixin.ts

@@ -1,30 +0,0 @@
-import { defineComponent } from 'vue';
-import { useMainStore } from '../store/mainStore';
-import { useTooltipStore } from '../store/tooltipStore';
-import { Train } from '../typings/common';
-
-export default defineComponent({
-  data() {
-    return {
-      store: useMainStore(),
-      tooltipStore: useTooltipStore()
-    };
-  },
-
-  methods: {
-    selectModalTrain(train: Train, target?: EventTarget | null) {
-      this.store.chosenModalTrainId = train.modalId;
-      if (target) this.store.modalLastClickedTarget = target;
-    },
-
-    selectModalTrainById(modalId: string, target?: EventTarget | null) {
-      this.store.chosenModalTrainId = modalId;
-      if (target) this.store.modalLastClickedTarget = target;
-    },
-
-    closeModal() {
-      this.store.chosenModalTrainId = undefined;
-      this.tooltipStore.hide();
-    }
-  }
-});