fix: remove redundant markup template

layouts/_markup/render-heading-new.html

@@ -1,18 +0,0 @@
-{{ $class := .Attributes.class }}
-{{ $text := chomp .Text }}
-{{ if site.Params.main.titleCase }}{{ $text = title $text }}{{ end }}
-
-{{ if eq page.RelPermalink "/en/privacy/" }}
-    {{ warnf "title: %s" (.Text | safeHTML) }}
-{{ end }}
-
-{{ if and site.Params.navigation.anchor $text }}
-<h{{ .Level }} id="{{ .Anchor | safeURL }}" class="heading {{ with $class }}{{.}}{{end}}">
-    {{- $text | safeHTML -}}
-    <a href="#{{ .Anchor | safeURL }}" aria-labelledby="{{ .Anchor | safeURL }}">
-        {{- partial "assets/icon.html" (dict "icon" "fas link anchor") }}
-    </a>
-</h{{ .Level }}>
-{{ else }}
-<h{{ .Level }} id="{{ .Anchor | safeURL }}" {{ with $class }} class="{{.}}"{{end }}>{{ $text | safeHTML }}</h{{ .Level }}>
-{{ end }}