Set maxLimit as default value for limit param

Set maxLimit as default value for the limit parameter in the /objects endpoint.

lib/routes/listobjects.go

@@ -49,7 +49,6 @@ func ListObjects(w http.ResponseWriter, r *http.Request) {
 	}
 
 	// Determine offset, limit and filter params
-	query := r.URL.Query()
 	var (
 		query = r.URL.Query()
 		limit = maxLimit