ci/travis: move to newer base distro

This removes the old pinned distro (Ubuntu Trusty 14.04) from Travis,
moving to the newer default distro (Ubuntu Xenial 16.04).

diff --git a/.travis.yml b/.travis.yml
index 712a81ddc0fcbb24e15dc97fd1e413e787120c0b..be741cc93abb69cc0f13c08c3556788f8c778379 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,4 @@
 language: c
-dist: trusty
 sudo: required
 
 env: