chore: Remove no longer needed file

src/components/EssentialLink.vue

-<template>
-  <q-item
-    clickable
-    tag="a"
-    target="_blank"
-    :href="link"
-  >
-    <q-item-section
-      v-if="icon"
-      avatar
-    >
-      <q-icon :name="icon" />
-    </q-item-section>
-
-    <q-item-section>
-      <q-item-label>{{ title }}</q-item-label>
-      <q-item-label caption>
-        {{ caption }}
-      </q-item-label>
-    </q-item-section>
-  </q-item>
-</template>
-
-<script>
-import { defineComponent } from 'vue'
-
-export default defineComponent({
-  name: 'EssentialLink',
-  props: {
-    title: {
-      type: String,
-      required: true
-    },
-
-    caption: {
-      type: String,
-      default: ''
-    },
-
-    link: {
-      type: String,
-      default: '#'
-    },
-
-    icon: {
-      type: String,
-      default: ''
-    }
-  }
-})
-</script>