Fix Travis Builds for Pull Requests (#2208)

* fix travis

* I don't think we need this

* we don't use circleci anymore

.travis.yml

@@ -3,5 +3,4 @@ jdk:
   - oraclejdk8
 notifications:
   email: false
-before_install:
-  - sed -i.bak -e 's|https://nexus.codehaus.org/snapshots/|https://oss.sonatype.org/content/repositories/codehaus-snapshots/|g' ~/.m2/settings.xml
+dist: trusty

circle.yml

@@ -1,3 +0,0 @@
-machine:
-  java:
-    version: oraclejdk8