What is the file in a WordPress website?

There's no point in removing it It's a static file with information on how Windows Live Writer can talk to wordpress

When I check the analytics on my site, I'm getting lots of error pages and bounces for URL's ending in: wordpresswp-includeswlwmanifest

slot machines fruits !> adminUrl> postEditingUrl> ![CDATA[ {blog-postapi-url} wp-admin?action=edit&post={post-id}

slot senza scaricare gratis !> adminUrl> postEditingUrl> ![CDATA[ {blog-postapi-url} wp-admin?action=edit&post={post-id}