Remove unused component: ChartDoughnut.vue

frontend/components/metrics/ChartDoughnut.vue

@@ -1,28 +0,0 @@
-<script>
-import { Doughnut, mixins } from 'vue-chartjs'
-const { reactiveProp } = mixins
-
-export default {
-  extends: Doughnut,
-  mixins: [reactiveProp],
-  props: {
-    chartData: {
-      type: Object,
-      default: () => {},
-      required: true
-    }
-  },
-
-  data() {
-    return {
-      options: {
-        maintainAspectRatio: false
-      }
-    }
-  },
-
-  mounted() {
-    this.renderChart(this.chartData, this.options)
-  }
-}
-</script>