[helloworld] Clean uWSGI configuration

Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>

roles/printer/templates/uwsgi/apps-available/django-printer.ini.j2

@@ -5,18 +5,13 @@ uid             = www-data
 gid             = www-data
 # Django-related settings
 # the base directory (full path)
-chdir           = {{ project_path }}
-wsgi-file       = {{ module_path }}/wsgi.py
+module          = printer.wsgi:application
 plugin          = python3
 # process-related settings
 # master
 master          = true
 # maximum number of worker processes
 processes       = 10
-# the socket (use the full path to be safe)
-socket          = /var/run/uwsgi/app/django-printer/django-printer.sock
-# ... with appropriate permissions - may be needed
-chmod-socket    = 664
 # clear environment on exit
 vacuum          = true
 # Touch reload