Revert "Add Common Room and RB2B scripts (#12355)" (#12357)

This reverts commit d164ffb.

layouts/partials/head.html

@@ -232,7 +232,6 @@
     </script>
 
     <script async defer src="https://buttons.github.io/buttons.js"></script>
-
     {{- if eq hugo.Environment "production" }}
         <!-- Clearbit snippet -->
         <script src="https://tag.clearbitscripts.com/v1/pk_54e7d7c428c6d5e79098374d93a7b333/tags.js" referrerpolicy="strict-origin-when-cross-origin"></script>
@@ -382,44 +381,9 @@
 
         <!-- Facebook Domain Verification -->
         <meta name="facebook-domain-verification" content="phlf6qes2bxa9ufzk8zt2es0qivg8j" />
-
-        <!-- Common Room-->
-        <script>
-            (function() {
-                if (typeof window === 'undefined') return;
-                if (typeof window.signals !== 'undefined') return;
-                var script = document.createElement('script');
-                script.src = 'https://cdn.cr-relay.com/v1/site/a725b5ba-75f1-44dc-b250-11023fc10b9d/signals.js';
-                script.async = true;
-                window.signals = Object.assign(
-                    [],
-                    ['page', 'identify', 'form'].reduce(function (acc, method){
-                        acc[method] = function () {
-                        signals.push([method, arguments]);
-                        return signals;
-                        };
-                        return acc;
-                    }, {})
-                );
-                document.head.appendChild(script);
-            })();
-        </script>
-
-        <!-- RB2B -->
-        <script>
-            !function () {var reb2b = window.reb2b = window.reb2b || [];
-            if (reb2b.invoked) return;reb2b.invoked = true;reb2b.methods = ["identify", "collect"];
-            reb2b.factory = function (method) {return function () {var args = Array.prototype.slice.call(arguments);
-            args.unshift(method);reb2b.push(args);return reb2b;};};
-            for (var i = 0; i < reb2b.methods.length; i++) {var key = reb2b.methods[i];reb2b[key] = reb2b.factory(key);}
-            reb2b.load = function (key) {var script = document.createElement("script");script.type = "text/javascript";script.async = true;
-            script.src = "https://s3-us-west-2.amazonaws.com/b2bjsstore/b/" + key + "/reb2b.js.gz";
-            var first = document.getElementsByTagName("script")[0];
-            first.parentNode.insertBefore(script, first);};
-            reb2b.SNIPPET_VERSION = "1.0.1";reb2b.load("Y4O7Z0HKLKNX");}();
-        </script>
     {{- end }}
 
+
     <!-- Apply anchor links to headings in the docs, blog and taxonomy pages. -->
     {{ if and (not .IsHome) (.Section) (in "docs blog authors tags registry" .Section) }}
         <script async defer src="//cdnjs.cloudflare.com/ajax/libs/anchor-js/4.1.0/anchor.min.js"></script>