Remove duplicate setup in TravisCI config

JeroenDeDauw · JeroenDeDauw · commit 392626d050c1 · 2015-04-23T03:01:33.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -13,8 +13,6 @@ matrix:
   allow_failures:
     - php: hhvm-nightly
 
-before_script: composer install --prefer-source
-
 sudo: false
 
 install: travis_retry composer install --prefer-source
