delete sending file with new bill letter

management/letters.py

@@ -248,7 +248,6 @@ def sent_new_bill(bill):
         'SERVICE': bill.get_name(),
         'MANAGER': bill.manager.get_full_name(),
         'MANAGER_EMAIL': bill.manager.get_email(),
-        'FILE': None, #TODO: bill.service.course.get_description_file,
         'DOMAIN': DOMAIN,
         'NAME': NAME
     }

management/mails.py

@@ -13,6 +13,6 @@ def letter_decor():
                                    _type=data['type'],
                                    template=data['template'] if data.get('template') else '',
                                    result=data['result'] if data.get('result') else None,
-                                   file=data['file'])
+                                   )
         return _render_json
     return wrap_response