remove links to draft community/debugging specs

Historically still here: https://github.com/perl6/mu/tree/0d4730b6da824c02e7253f953b37af513c2a0c6b/docs/AES

Author: grtodd

docs/feather/syn_index.html

@@ -379,16 +379,6 @@ <h3>S32 Key</h3>
   <dt>+ = Not a type name, but documents a group of types</dt>
 </dl>
 
-<h2>DRAFT specifications</h2>
-<p>
-The few draft PODs here should probably be cleaned up into Spec-like
-formats and moved to Perl6::Spec space.
-</p>
-<ul>
- <li><a href="https://github.com/perl6/mu/tree/master/docs/AES/A20draft.pod">Debugging</a></li>
- <li><a href="https://github.com/perl6/mu/tree/master/docs/AES/S27draft.pod">Perl Culture</a></li>
-</ul>
-
 <h2>Differences from Perl 5</h2>
 
 <ul>