travisCI : removed `trusty` generic statement

trusty is out of long term support.
let's run (most) tests on "current" platform.

diff --git a/.travis.yml b/.travis.yml
index 27479517bcad25f30e26b3e1b49a774114591415..524d183f57147dc7d6f65d3c1714963cf53ec88a 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 # Medium Tests: Run on all commits/PRs to dev branch
 
 language: c
-dist: trusty
 
 git:
   depth: 1