Update ruby/ql/src/experimental/decompression-api/DecompressionApi.qhelp

Co-authored-by: Arthur Baars <aibaars@github.com>

Author: thiggy1342

ruby/ql/src/experimental/decompression-api/DecompressionApi.qhelp

@@ -23,6 +23,5 @@
   </example>
 
   <references>
-  <a href="https://cwe.mitre.org/data/definitions/409.html">https://cwe.mitre.org/data/definitions/409.html</a>
   </references>
 </qhelp>