Ready Landscape shortcode for vanilla Docsy

Move the shortcode support for the CNCF landscape shortcode. This
readies us to make the site align with vanilla Docsy.

Author: Tim Bannister

layouts/partials/head.html

@@ -91,10 +91,6 @@
 <script defer src="{{ "js/release_binaries.js" | relURL }}"></script>
 {{- end -}}
 
-{{- if .HasShortcode "cncf-landscape" -}}
-<script src="https://cdnjs.cloudflare.com/ajax/libs/iframe-resizer/4.3.9/iframeResizer.min.js" integrity="sha384-hHTwgxzjpO1G1NI0wMHWQYUxnGtpWyDjVSZrFnDrlWa5OL+DFY57qnDWw/5WSJOl" crossorigin="anonymous"></script>
-{{- end -}}
-
 <!-- Enable zoom-on-click for figures that opt in to this -->
 {{- if .HasShortcode "figure" -}}
 <script defer src="{{ "js/zoom.js" | relURL }}"></script>

layouts/partials/hooks/head-end.html

@@ -9,3 +9,7 @@
 <script defer src="{{ $sortableTableJs.RelPermalink }}"></script>
   {{- end -}}
 {{- end -}}
+
+{{- if .HasShortcode "cncf-landscape" -}}
+<script src="https://cdnjs.cloudflare.com/ajax/libs/iframe-resizer/4.3.9/iframeResizer.min.js" integrity="sha384-hHTwgxzjpO1G1NI0wMHWQYUxnGtpWyDjVSZrFnDrlWa5OL+DFY57qnDWw/5WSJOl" crossorigin="anonymous"></script>
+{{- end -}}