Remove extra blank line.
diff --git a/.travis.yml b/.travis.yml
index a191deb..d259f72 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,7 +29,6 @@
     - jdk: openjdk-ea
       env: JACOCO_SKIP=true
 
-
 script:
   - mvn