:wrench: simplify Travis

diff --git a/util b/util
index 35293a8dec272baad584b1d50b6164262c3e411b..c58bfc863f23b95c3746dcb5438ca7c5eecf1e85 160000 (submodule)
--- a/util
+++ b/util
@@ -1 +1 @@
-Subproject commit 35293a8dec272baad584b1d50b6164262c3e411b
+Subproject commit c58bfc863f23b95c3746dcb5438ca7c5eecf1e85