Use quiet option to reduce logging on Travis

dagnir · dagnir · commit 4ad1e4252bec · 2018-01-29T16:28:22.000-08:00
Gets us just under the 4MB limit.
diff --git a/.travis.yml b/.travis.yml
@@ -7,7 +7,7 @@ install: /bin/true
 notifications:
   email:
     - github-awsforjava@amazon.com
-script: mvn install
+script: mvn -q install
 branches:
   only:
     - master
