Revert "Add sitemap to influence Sitelinks"

Seems like I messed up robots.txt?

This reverts commit 95654955b1.

static/sitemap.txt

@@ -1,18 +0,0 @@
-https://odysee.com
-https://odysee.com/$/general
-https://odysee.com/$/bighits
-https://odysee.com/$/gaming
-https://odysee.com/$/music
-https://odysee.com/$/universe
-https://odysee.com/$/tech
-https://odysee.com/$/lab
-https://odysee.com/$/movies
-https://odysee.com/$/news
-https://odysee.com/$/finance
-https://odysee.com/$/wildwest
-https://odysee.com/$/signup
-https://odysee.com/$/signin
-https://odysee.com/$/help
-https://odysee.com/$/settings
-https://odysee.com/@Odysee:8
-https://odysee.com/@OdyseeHelp:b

web/webpack.config.js

@@ -45,11 +45,6 @@ const copyWebpackCommands = [
     to: `${DIST_ROOT}/robots.txt`,
     force: true,
   },
-  {
-    from: `${STATIC_ROOT}/sitemap.txt`,
-    to: `${DIST_ROOT}/sitemap.txt`,
-    force: true,
-  },
   {
     from: `${STATIC_ROOT}/img/favicon.png`,
     to: `${DIST_ROOT}/public/favicon.png`,