[css-text-3] Remove text-emphasis-color from highlight pseudo styling list in preparation for rewrite of how styles are assigned; re-evaluate it later.

Author: fantasai

css-pseudo-4/Overview.bs

@@ -486,7 +486,6 @@ Styling Highlights</h3>
     <li>'caret-color'
     <li>'outline' and its longhands
     <li>'text-decoration' and its associated properties
-    <li>'text-emphasis-color'
     <li>'text-shadow'
   </ul>
 
@@ -512,11 +511,9 @@ Styling Highlights</h3>
 
   The 'color' property specifies the color of both the text
   and all line decorations (underline, overline, line-through)
+  and emphasis marks ('text-emphasis')
   applied to the text.
 
-  Note: Because 'text-emphasis-color' defaults to ''currrentColor'',
-  it will by default also set the color of the the emphasis marks.
-
 <h3 id=highlight-bounds>
 Area of a Highlight</h3>