Remove 6sense script (#14257)

Author: sean1588

layouts/partials/head.html

@@ -292,11 +292,6 @@
 
     <script async defer src="https://buttons.github.io/buttons.js"></script>
 
-    {{- if eq hugo.Environment "production" }}
-        <!-- 6sense -->
-        <script async defer id="6senseWebTag" src="https://j.6sc.co/j/a4dca4b3-351c-4764-bda9-03c5caf5fedf.js"></script>
-    {{- end }}
-
     <!--Segment tracking-->
     <script>
         // Do not load Segment for these user agents.