Follow changes in WD-css-display-3-20170720

See also: http://www.w3.org/TR/2017/WD-css-display-3-20170720/

test/test.css

@@ -214,7 +214,6 @@
   display: flow;
   display: flow-root;
   display: contents;
-  display: inline-list-item;
   display: discard;
 }
 

test/test.html

@@ -241,7 +241,6 @@
   display: flow;
   display: flow-root;
   display: contents;
-  display: inline-list-item;
   display: discard;
 }
 </style>