Remove HHVM from Travis CI test suite

.travis.yml

@@ -4,21 +4,16 @@ php:
 - 5.6
 - 7.0
 - 7.1
-- hhvm
-matrix:
-  allow_failures:
-  - php: hhvm
 sudo: false
 before_script:
 - npm install grunt grunt-cli grunt-contrib-jshint grunt-contrib-csslint grunt-phplint --save-dev
 - mysql -u root -e "CREATE DATABASE rhymix"
 - mysql -u root -e "SET PASSWORD FOR 'travis'@'localhost' = PASSWORD('travis')"
-- if [[ $TRAVIS_PHP_VERSION != "hhvm" ]]; then php -S localhost:8000 & fi
+- php -S localhost:8000 &
 - wget http://codeception.com/releases/2.1.11/codecept.phar
 script:
 - php codecept.phar build
-- if [[ $TRAVIS_PHP_VERSION == "hhvm" ]]; then php codecept.phar run -d --fail-fast --env travis --skip install; fi
-- if [[ $TRAVIS_PHP_VERSION != "hhvm" ]]; then php codecept.phar run -d --fail-fast --env travis; fi
+- php codecept.phar run -d --fail-fast --env travis
 - grunt lint
 notifications:
   email: false