20240701_faq.md: Comment top level parts that should not be displayed

We need to comment those as the FAQ page on SWH WordPress website is
dynamically generated from this markdown document and those should
not be displayed.

After each document update in this git repository, the FAQ page is
automatically updated on the WordPress website.

20240701_faq.md

+
+<!---
+
+This is commented because the FAQ page on SWH WordPress website is
+dynamically generated from this markdown document and this should
+not be displayed.
+
+After each document update in this git repository, the FAQ page is
+automatically updated on the WordPress website.
+
 ---
 tags: documentation, ambassadors
 ---
@@ -10,6 +20,8 @@ https://hedgedoc.softwareheritage.org/6hFGAHdUTY2wWKr5OqwzkQ?both#
 
 # FAQ Software Heritage (website)
 
+--->
+
 ## 1. General
 
 ### 1.1 What is Software Heritage?