Replace all remaining uses of driverViewMixin with <router-link>

src/mixins/driverViewMixin.ts

@@ -1,14 +0,0 @@
-import { defineComponent } from 'vue';
-
-export default defineComponent({
-  methods: {
-    driverMixin_showDriverView(id: string) {
-      this.$router.push({
-        name: 'DriverView',
-        query: {
-          trainId: id
-        }
-      });
-    }
-  }
-});