chore: minor content and config updates

exampleSite/hugo_stats.json

@@ -24,7 +24,6 @@
       "head",
       "hr",
       "html",
-      "iframe",
       "input",
       "kbd",
       "li",
@@ -490,60 +489,6 @@
       "z-20",
       "z-[-1]"
     ],
-    "ids": [
-      "add-hextra-theme",
-      "blockquote-with-attribution",
-      "blockquote-without-attribution",
-      "blockquotes",
-      "code-block-0",
-      "code-block-1",
-      "code-block-2",
-      "code-block-3",
-      "code-block-4",
-      "code-block-highlight-with-line-numbers",
-      "code-block-with-filename",
-      "code-block-with-triple-backticks",
-      "code-blocks",
-      "default",
-      "diagrams",
-      "error",
-      "example",
-      "features",
-      "fn:1",
-      "fnref:1",
-      "h2",
-      "h3",
-      "h4",
-      "h5",
-      "h6",
-      "headings",
-      "info",
-      "initialize-a-new-hugo-site",
-      "inline",
-      "inline-markdown-within-tables",
-      "list-types",
-      "math",
-      "nested-list",
-      "ordered-list",
-      "other-elements--abbr-sub-sup-kbd-mark",
-      "paragraph",
-      "quick-start-from-template",
-      "separate-paragraph",
-      "specify-selected-index",
-      "start-as-new-project",
-      "step-1",
-      "step-2",
-      "step-3",
-      "tables",
-      "tabs-panel-0",
-      "tabs-panel-1",
-      "tabs-panel-2",
-      "unordered-list",
-      "usage",
-      "warning",
-      "what-is-hextra",
-      "why-hextra",
-      "クイックスタート"
-    ]
+    "ids": null
   }
 }