Strike through windows-specific stuff

doc/CODING_STYLE.html

@@ -2339,8 +2339,9 @@ features added in C++11, such as <code>noexcept</code>,
 <code>std::exception_ptr</code>, and
 <code>std::nested_exception</code>.</p>
 
+<strike>
 <p>There is an <a href="#Windows_Code">exception</a> to
-this rule (no pun intended) for Windows code.</p>
+this rule (no pun intended) for Windows code.</p></strike>
 </div>
 
 </div> 
@@ -6084,7 +6085,7 @@ local consistency, too.</p>
 </div> 
 
  
-
+<strike>
 <h3 id="Windows_Code">Windows Code</h3>
 
 <div class="summary">
@@ -6173,6 +6174,7 @@ occasionally need to break on Windows:</p>
 </ul>
 
 </div> 
+<s/strike>
 
 <h2 class="ignoreLink">Parting Words</h2>