Add delete button for Measure (UI only, not hooked up).

web/src/components/measure-details/SimpleDetails.vue

@@ -15,7 +15,6 @@
         </tr>
       </tbody>
     </v-table>
-    <SimpleEntry :measure=measure v-model=
   </div>
 </template>
 <script lang="ts" src="./simple-details.ts"></script>