Revert "Force install a default nginx.conf. Closes #799"

This reverts commit 129a5fd33d.

plugins/nginx-vhosts/install

@@ -30,37 +30,6 @@ ssl_prefer_server_ciphers on;
 EOF
 fi
 
-cat<<EOF > /etc/nginx/nginx.conf
-user www-data;
-worker_processes auto;
-pid /run/nginx.pid;
-
-events {
-  worker_connections 768;
-}
-
-http {
-  server_tokens off;
-  sendfile on;
-  tcp_nopush on;
-  tcp_nodelay on;
-  keepalive_timeout 65;
-  types_hash_max_size 2048;
-
-  include /etc/nginx/mime.types;
-  default_type application/octet-stream;
-  access_log /var/log/nginx/access.log;
-  error_log /var/log/nginx/error.log;
-
-  gzip on;
-  gzip_disable "msie6";
-
-  include /etc/nginx/conf.d/*.conf;
-  include /etc/nginx/sites-enabled/*;
-}
-
-EOF
-
 echo 'server_names_hash_bucket_size 512;' >| /etc/nginx/conf.d/server_names_hash_bucket_size.conf
 
 case "$DOKKU_DISTRO" in