begin env prod for ansible + delete pack + add league on device

.ansible/group_vars/app-db.yml

.ansible/group_vars/app-web.yml

.ansible/group_vars/env-dev.yml

.ansible/group_vars/env-prod.yml

.ansible/inventories/inventory_prod

.vagrant/machines/betskills/virtualbox/synced_folders

app/config/config.yml

src/ApiBundle/Controller/DefaultController.php

src/BackendBundle/Controller/EntityBrowserController.php

src/BackendBundle/Entity/LeagueOnDevice.php

src/BackendBundle/Entity/Notification.php

src/BackendBundle/Entity/Pack.php

src/BackendBundle/Form/PackType.php

src/BackendBundle/Repository/PackRepository.php

src/BackendBundle/Resources/views/layout/dashboard.html.twig

src/BackendBundle/Resources/views/pack/form.html.twig

src/BackendBundle/Resources/views/pack/list.html.twig