Remove HHVM from testing.

Author: stevebauman

.travis.yml

@@ -4,16 +4,11 @@ php:
   - 5.5
   - 5.6
   - 7.0
-  - hhvm
 
 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
 
-matrix:
- allow_failures:
-   - php: hhvm
-
 script: phpunit