removed nginx.conf which is not necessary here

config/nginx.conf

@@ -1,45 +0,0 @@
-upstream puma {
-  server unix:///var/www/app/shared/tmp/sockets/puma.sock;
-}
-
-server {
-  listen 80 default deferred;
-  return 301 https://codeocean.openhpi.de$request_uri;
-  server_name codeocean.openhpi.de;
-}
-
-server {
-  client_max_body_size 4G;
-  error_page 500 502 503 504 /500.html;
-  keepalive_timeout 10;
-  listen 443 ssl;
-  root /var/www/app/current/public;
-  server_name codeocean.openhpi.de;
-  try_files $uri @puma;
-
-  ssl_certificate /etc/nginx/ssl/ssl-bundle.crt;
-  ssl_certificate_key /etc/nginx/ssl/server.key;
-  ssl_ciphers HIGH:!ADH:!EXPORT56:RC4+RSA:+MEDIUM;
-  ssl_prefer_server_ciphers on;
-  ssl_protocols SSLv3 TLSv1;
-  ssl_session_timeout 5m;
-
-  location / {
-    access_log /var/www/app/current/log/nginx.access.log;
-    error_log /var/www/app/current/log/nginx.error.log;
-    proxy_http_version 1.1;
-    proxy_pass http://puma;
-    proxy_read_timeout 900;
-    proxy_redirect off;
-    proxy_set_header Connection '';
-    proxy_set_header Host $http_host;
-    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-    proxy_set_header X-Forwarded-Proto $scheme;
-  }
-
-  location ^~ /assets/ {
-    add_header Cache-Control public;
-    expires max;
-    gzip_static on;
-  }
-}