Remove old schrank web config

uwsgi-python/vars/schrank.yml

----
-
-app_name: schrank
-app_user: schrankweb
-app_group: schrankweb
-app_home: /var/www/schrank
-app_path: /var/www/schrank
-app_python_version: 2
-app_venv: ''
-app_program: main/wsgi.py
-app_callable: application
-app_command: ''
-app_mountpoint: /
-app_mules: 0
-app_enable_threads: false
-app_uwsgi_options: []
-app_service_env: []
-
-# There is a mysql database named schrank, but it is unmanaged by ansible.
-app_db_type: ''
-app_db_name: ''
-
-app_deploy_key: "{{ inventory_dir }}/files/deploy-keys/schrank"
-app_git_url: "git@git.fsmpi.rwth-aachen.de:schrank/web.git"
-app_git_version: HEAD
-
-# There is no requirements.txt file and no other documentation (e.g. venv)
-# on needed software. The settings (including secret_key and db password)
-# are also checked into the repository.
-app_requirements_file: ''
-app_config_file: ''
-app_secret_config: false
-app_secret_config_keys: []
-app_additional_software: []