Update server-setup.sh

.gitlab-ci/scripts/server-setup.sh

 #!/bin/bash
 
-ln -s $CI_PROJECT_DIR /var/www/html/subdirectory
+ln -s $CI_PROJECT_DIR /var/www/html
 # sudo service apache2 start
 mkdir -p ./sites/simpletest ./sites/default/files ./build/logs/junit /var/www/.composer
 chown -R www-data:www-data ./sites ./build/logs/junit ./vendor /var/www/