moved mermaid feature to js bundle

layouts/_default/single.html

@@ -202,9 +202,4 @@
     {{ partial "math.html" . }}
 {{ end }}
 
-<!-------------- Enable mermaid support for this page  ---------------->
-{{ if .Params.mermaid }}
-    {{ partial "mermaid.html" . }}
-{{ end }}
-
 {{ end }}

layouts/partials/mermaid.html

@@ -1,6 +0,0 @@
-<script src="{{ "/js/mermaid-8.14.0.min.js" | relURL }}"></script>
-<script>
-    mermaid.initialize({
-        startOnLoad:true
-    });
-</script>