[css-text-4] Clear out ignored terms list

Author: fantasai

css-text-decor-4/Overview.bs

@@ -13,7 +13,6 @@ Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.n
 Editor: Koji Ishii, Google, kojiishi@gmail.com, w3cid 45369
 Abstract: This module contains the features of CSS relating to text decoration, such as underlines, text shadows, and emphasis marks.
 Link Defaults: css-color-3 (property) color, css-break-3 (dfn) fragment
-Ignored Terms: svg shape, svg shapes, invalid, repeatable list, simple list, valid image
 </pre>
 
 <pre class="link-defaults">