Rollback travis.yml change

Author: stevebauman

.travis.yml

@@ -5,6 +5,8 @@ php:
   - 5.5
   - 5.6
 
+before_install: echo "extension=ldap.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+
 before_script:
   - travis_retry composer self-update
   - travis_retry composer install --prefer-source --no-interaction --dev