default.conf

server {
    listen       80;
    server_name bitcall.org;
root   /usr/share/nginx/html;
    #charset koi8-r;
#    access_log  /var/log/nginx/log/host.access.log  main;
if (!-e $request_filename) {
rewrite ^([_0-9a-zA-Z-]+)?(/wp-.*) $2 last;
rewrite ^([_0-9a-zA-Z-]+)?(/.*.php)$ $2 last;
rewrite ^ /index.php last;
}

    location / {
#        root   /usr/share/nginx/html;
        index  index.php index.html index.htm;
#if (-f $request_filename/index.html){
#         rewrite (.*) $1/index.html break;
#}

location ~ /\.
{
deny all;
}

#if (-f $request_filename/index.php){
#          rewrite (.*) $1/index.php;
#}

#if (!-f $request_filename){
#         rewrite (.*) /index.php;
#}
#rewrite /wp-admin$ $scheme://$host$uri/ permanent;

    }

    # enforce NO www
 #   if ($host ~* ^www\.(.*))
   #{
   #   set $host_without_www $1;
   #  rewrite ^/(.*)$ $scheme://$host_without_www/$1 permanent;
 #}
 
    # unless the request is for a valid file, send to bootstrap
 #   if (!-e $request_filename)
#  {
#   rewrite ^(.+)$ /index.php?q=$1 last;
#   }

   error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
#include wp.conf;

    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

    # proxy the PHP scripts to Apache listening on 127.0.0.1:80
    #
    #location ~ \.php$ {
    #    proxy_pass   http://127.0.0.1;
    #}

    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
    #
   location ~ \.php$ {
        root          /usr/share/nginx/html; 
        fastcgi_pass   127.0.0.1:9000;
        fastcgi_index  index.php;
#        fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;

fastcgi_param  SCRIPT_FILENAME   $document_root$fastcgi_script_name;
#$document_root$fastcgi_script_name;
        include        fastcgi_params;
    }
    # deny access to .htaccess files, if Apache's document root
    # concurs with nginx's one
    #
    #location ~ /\.ht {
    #    deny  all;
    #}
}

How to delete it? Please. I posted it by command not using my own github account