Nginx: Remove redirect to index.html for missing files

It was required for the SPA approach, but we migrated away from it

nginx.conf

@@ -38,7 +38,6 @@ http {
             add_header 'Cross-Origin-Opener-Policy' 'same-origin' always;
             add_header 'Cross-Origin-Embedder-Policy' 'require-corp' always;
             add_header 'Cross-Origin-Resource-Policy' 'cross-origin' always;
-            try_files $uri /index.html;
         }
     }
 }