fixed: remove some unused reference in example. (#446)

hello-hyh · web-flow · commit 20ec8438b2a3 · 2020-09-04T15:52:56.000+03:00
diff --git a/src/guide/composition-api-introduction.md b/src/guide/composition-api-introduction.md
@@ -417,7 +417,7 @@ And then the searching functionality:
 ```js
 // src/composables/useRepositoryNameSearch.js
 
-import { ref, onMounted, watch } from 'vue'
+import { ref, computed } from 'vue'
 
 export default function useRepositoryNameSearch(repositories) {
   const searchQuery = ref('')
