Travis: Update distribution to Xenial completely

fwcd · fwcd · commit f676ee9e4d9f · 2019-11-22T17:28:56.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,11 +1,8 @@
 language: java
-
-matrix:
-  include:
-    - dist: trusty
-      jdk: openjdk8
-    - dist: xenial
-      jdk: openjdk11
+dist: trusty
+jdk:
+  - openjdk8
+  - openjdk11
 
 env: NODE_VERSION=10.2.1
 before_install: nvm install $NODE_VERSION
