Remove ldap auth

syncthing is fundamentally a single user app and it's confusing that
one can LDAP login giving the impression it is somehow multi-user.

nginx.conf

@@ -1,49 +0,0 @@
-user cloudron;
-load_module "/usr/local/nginx/modules/ngx_http_auth_ldap_module.so";
-
-worker_processes 1;
-pid /run/nginx.pid;
-daemon  off;
-
-# Send logs to stderr
-error_log /dev/stderr warn;
-
-
-events {
-    worker_connections 768;
-}
-
-http {
-    include /run/ldap.conf;    
-
-    error_log /dev/stderr warn;
-    log_format simple '$remote_addr [$time_local] "$request" $status $body_bytes_sent "$http_referer"';
-    access_log /dev/stdout simple;
-    include /etc/nginx/mime.types;
-    client_body_temp_path /tmp/client_body 1 2;
-    proxy_temp_path /tmp/proxy_temp 1 2;
-    fastcgi_temp_path /tmp/fastcgi_temp 1 2;
-    uwsgi_temp_path  /tmp/uwsgi_temp 1 2;
-    scgi_temp_path  /tmp/scgi_temp 1 2;
-    proxy_buffering off;
-    proxy_cache_path /tmp/proxy_cache levels=1:2 keys_zone=my_cache:10m max_size=100m inactive=60m use_temp_path=off;
-    proxy_cache my_cache;
-    auth_ldap_cache_enabled on;
-    auth_ldap_cache_expiration_time 300000;
-    auth_ldap_cache_size 100;
-
-    server {
-        error_log /dev/stderr warn;
-        listen 8000 default_server;
-        server_name _;
-        proxy_read_timeout 120s;
-        location /check {
-            proxy_pass http://localhost:3000/syncthing/app.js;
-        }
-        location / {
-	    auth_ldap "Forbidden";
-            auth_ldap_servers cloudron;
-            proxy_pass http://localhost:3000;
-        }
-    }
-}