Use phpunit version from project in travis

Author: ovanschie

.travis.yml

@@ -14,7 +14,4 @@ before_script:
   - travis_retry composer update ${COMPOSER_FLAGS} --no-interaction --prefer-source
 
 script:
-  - phpunit --coverage-text --coverage-clover=coverage.clover
-
-after_script:
-  - php vendor/bin/ocular code-coverage:upload --format=php-clover coverage.clover
+  - php vendor/bin/phpunit --coverage-text