docs: remove redundant async

.vitepress/theme/components/ReloadPrompt.vue

@@ -8,7 +8,7 @@ let updateServiceWorker: (() => Promise<void>) | undefined
 function onNeedRefresh() {
   needRefresh.value = true
 }
-async function close() {
+function close() {
   needRefresh.value = false
 }
 

frameworks/vitepress.md

@@ -78,7 +78,7 @@ const offlineReady = ref(false)
 function onOfflineReady() {
   offlineReady.value = true
 }
-async function close() {
+function close() {
   offlineReady.value = false
 }
 
@@ -182,7 +182,7 @@ function onOfflineReady() {
 function onNeedRefresh() {
   needRefresh.value = true
 }
-async function close() {
+function close() {
   offlineReady.value = false
   needRefresh.value = false
 }

frameworks/vue.md

@@ -59,7 +59,7 @@ const {
   updateServiceWorker,
 } = useRegisterSW()
 
-async function close() {
+function close() {
   offlineReady.value = false
   needRefresh.value = false
 }

guide/faq.md

@@ -183,7 +183,7 @@ let updateServiceWorker: (() => Promise<void>) | undefined
 function onNeedRefresh() {
   needRefresh.value = true
 }
-async function close() {
+function close() {
   needRefresh.value = false
 }