Remove fathom analytics from docs site (#540)

Author: jumboduck

docs.kosli.com/layouts/partials/docs/html-head.html

@@ -68,10 +68,6 @@
   <script defer src="{{ $swJS.RelPermalink }}" {{ template "integrity" $swJS }}></script>
 {{ end -}}
 
-<!-- Fathom - beautiful, simple website analytics -->
-<script src="https://cdn.usefathom.com/script.js" data-site="AUFUAQWT" data-excluded-domains="localhost" defer></script>
-<!-- / Fathom -->
-
 {{ if in .Permalink "/legacy_ref" }}
 <meta name="robots" content="noindex">
 {{ end }}