Revert "Use Hugo mounts for our docs vendor files." (#32210)

* Revert "Adapt to the recent main changes"

This reverts commit 50d8921670.

* Revert "Add Hugo Pipes logic for local and vendored scripts."

This reverts commit 3fcfd606f2.

* Revert "Use Hugo mounts for our docs vendor JS files."

This reverts commit 6b071116f3.

site/layouts/partials/scripts.html

@@ -4,7 +4,17 @@
   <script src="/docs/{{ .Site.Params.docs_version }}/dist/js/bootstrap.bundle.js"></script>
 {{- end }}
 
-{{- $variant := cond (eq .Page.Layout "docs") "docs" "default" -}}
-{{- range partialCached "func/get-js-assets" . $variant -}}
-  <script src="{{ .RelPermalink }}"></script>
-{{- end -}}
+{{ if eq .Page.Layout "docs" -}}
+<script src="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js"></script>
+{{- end }}
+
+{{- $vendor := resources.Match "js/vendor/*.js" -}}
+{{- $js := resources.Match "js/*.js" -}}
+{{- $targetDocsJSPath := printf "/docs/%s/assets/js/docs.js" .Site.Params.docs_version -}}
+{{- $docsJs := append $js $vendor | resources.Concat $targetDocsJSPath -}}
+
+{{- if eq hugo.Environment "production" -}}
+  {{- $docsJs = $docsJs | resources.Minify -}}
+{{- end }}
+
+<script src="{{ $docsJs.Permalink | relURL }}"></script>