Fix another link in FAQ

A link to #install was in more than one part of the menu so it was
removed.

faq.html

@@ -486,7 +486,6 @@
 <li><strong>Q 3.9</strong>: <a class="normal" href="#entry_id_faq">What is an <code>entry_id</code>?</a></li>
 <li><strong>Q 3.10</strong>: <a class="normal" href="#entry_json">What is a <code>.entry.json</code> file and how is it used?</a></li>
 <li><strong>Q 3.11</strong>: <a class="normal" href="#jparse">How can I validate any JSON document?</a></li>
-<li><strong>Q 3.12</strong>: <a class="normal" href="#install">How can I install the <code>mkiocccentry(1)</code> and related tools?</a></li>
 </ul>
 <h2 id="compiling-ioccc-entries">4. <a href="#compiling">Compiling IOCCC entries</a></h2>
 <ul>

faq.md

@@ -60,7 +60,6 @@ This is FAQ version **28.2.16 2025-03-12**.
 - **Q 3.9**: <a class="normal" href="#entry_id_faq">What is an `entry_id`?</a>
 - **Q 3.10**: <a class="normal" href="#entry_json">What is a `.entry.json` file and how is it used?</a>
 - **Q 3.11**: <a class="normal" href="#jparse">How can I validate any JSON document?</a>
-- **Q 3.12**: <a class="normal" href="#install">How can I install the `mkiocccentry(1)` and related tools?</a>
 
 
 ## 4. [Compiling IOCCC entries](#compiling)