fix phpunit job

.gitlab-ci.yml

@@ -17,8 +17,6 @@ phpunit:
     - export COMPOSER_CACHE_DIR=$(pwd)/storage/composer
     # basically we are ignoring the composer.lock in tests
     - composer update --no-interaction --ansi
-    - echo zend_extension=xdebug.so > /etc/php*/conf.d/51_xdebug.ini
-    - echo xdebug.mode=coverage >> /etc/php*/conf.d/51_xdebug.ini
   script:
     - |
       php -dzend_extension=xdebug.so -dxdebug.mode=coverage