Follow changes in WD-css-display-3-20170126

See also: http://www.w3.org/TR/2017/WD-css-display-3-20170126/

after/syntax/css/css-display-3.vim

@@ -1,5 +1,4 @@
 " TODO: create cssDisplayProp group and cssDisplayAttr group
-syn match cssFontProp contained "\<box-suppress\>"
 syn keyword cssFontAttr contained contents discard
 syn match cssFontAttr contained "\<flow\(-root\)\=\>"
 syn match cssFontAttr contained "\<inline-list-item\>"

test/test.css

@@ -205,7 +205,7 @@
 }
 
 .display-3 {
-  box-suppress: flow;
+  display: flow;
   display: flow-root;
   display: contents;
   display: inline-list-item;

test/test.html

@@ -231,7 +231,7 @@
 </style>
 <style>
 .display-3 {
-  box-suppress: flow;
+  display: flow;
   display: flow-root;
   display: contents;
   display: inline-list-item;