Use default log format for iacore access log

iacore.conf

@@ -8,13 +8,9 @@ server {
 
     root /srv/http/iacore;
 
-    log_format 1a-simple '[$time_local] '
-                         '"$request" $status $bytes_sent '
-                         '"$http_referer"';
-    access_log /var/log/nginx/www.1a-insec.net-access.log 1a-simple;
+    access_log /var/log/nginx/www.1a-insec.net.access.log;
 
     location / {
         try_files $uri $uri.html $uri/ =404;
     }
 }
-