Explicitly ignore json.Encode error

serverutil/json.go

@@ -33,5 +33,5 @@ func EncodeJSONResponse(w http.ResponseWriter, obj interface{}) {
 	w.Header().Set("Cache-Control", "no-store")
 	w.Header().Set("Expires", "-1")
 	w.Header().Set("X-Content-Type-Options", "nosniff")
-	json.NewEncoder(w).Encode(obj)
+	_ = json.NewEncoder(w).Encode(obj)
 }