Remove sudo: false

Travis deprecated this: https://blog.travis-ci.com/2018-11-19-required-linux-infrastructure-migration
2019-06-09 18:55:53 -07:00 · 2019-06-09 18:55:53 -07:00 · bba3950f35
commit bba3950f35
--- a/.travis.yml
+++ b/.travis.yml
@ -1,5 +1,4 @@
 dist: trusty
-sudo: required
 language: java
 jdk:
  - openjdk7