[css-display] Remove inline-list-item per CSSWG resolution. Fixes #1495

Author: fantasai

css-display/Overview.bs

@@ -17,7 +17,7 @@ Abstract: This module describes how the CSS formatting box tree is generated fro
 Ignored Terms: display-model, display-role, table row group box, absolutely positioned, table formatting context
 At Risk: Application of ''::first-letter'' in the presence of run-ins
 At Risk: ''display: run-in''
-At Risk: All multi-keyword values of 'display' and ''display: inline-list-item''
+At Risk: All multi-keyword values of 'display' and ''display: inline list-item''
 </pre>
 <pre class="link-defaults">
 spec:css-break-3; type:dfn; text:fragment;
@@ -167,8 +167,7 @@ Box Layout Modes: the 'display' property</h2>
 	                     ruby-base | ruby-text | ruby-base-container |
 	                     ruby-text-container ;
 	<dfn>&lt;display-box></dfn>      = contents | none ;
-	<dfn>&lt;display-legacy></dfn>   = inline-block | inline-list-item |
-	                     inline-table | inline-flex | inline-grid ;
+	<dfn>&lt;display-legacy></dfn>   = inline-block | inline-table | inline-flex | inline-grid ;
 	</pre>
 
 	The following informative table summarizes the values of 'display':
@@ -221,7 +220,7 @@ Box Layout Modes: the 'display' property</h2>
 				<td><a>block box</a>
 				    with additional <a href="https://www.w3.org/TR/CSS2/generate.html#lists">marker box</a>
 			<tr>
-				<td>''inline-list-item''
+				<td>''inline list-item''
 				<td>''list-item inline flow''
 				<td><a>inline box</a>
 				    with additional <a href="https://www.w3.org/TR/CSS2/generate.html#lists">marker box</a>
@@ -1133,6 +1132,7 @@ Changes</h2>
 
 	Changes since the <a href="https://www.w3.org/TR/2017/WD-css-display-3-20170126/">26 January 2017 Working Draft</a> include:
 
+	* Remove <css>inline-list-item</css> value that is equivalent to ''inline list-item''.
 	* Added the notion of “<a>text nodes</a>” to the <a>element tree</a>,
 		and “<a>text runs</a>” to the <a>box tree</a>
 		to define behavior in the context of ''display: contents''.