Remove java7 test because sbt 1.0.x no longer works with Java7

xerial · xerial · commit d379d0c32ba0 · 2017-11-28T22:33:06.000-08:00
diff --git a/.travis.yml b/.travis.yml
@@ -10,7 +10,6 @@ cache:
 sudo: false
 
 jdk:
-  - openjdk7
   - oraclejdk8
 
 branches:
