NO-JIRA: remove dist, just use the [same for now] default
diff --git a/.travis.yml b/.travis.yml
index eec9dd5..292bd35 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,10 +3,8 @@
   include:
     - os: linux
       jdk: openjdk8
-      dist: xenial
     - os: linux
       jdk: openjdk11
-      dist: xenial
 cache:
   directories:
   - $HOME/.m2