fix: clear emojis from head title (#111)

pages/@[account].vue

@@ -6,7 +6,7 @@ const account = await fetchAccountByName(accountName).catch(() => null)
 
 if (account) {
   useHead({
-    title: `${account.displayName} (@${account.acct})`,
+    title: () => `${account.displayName?.replace(/\:\w+\:/g, '') ?? ''} (@${account.acct})`,
   })
 }
 </script>