Revert "Update CI to Ubuntu 18.04" (#526)

webflo · jcnventura · commit c9bf7c24a9cf · 2019-11-29T01:26:03.000+01:00
This reverts commit ee5bf36.
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 language: php
-dist: bionic
+dist: trusty
 sudo: false
 
 php:
