[css-text-4] Remove duplicate nowrap value. #9227

Author: fantasai

css-text-4/Overview.bs

@@ -1402,7 +1402,7 @@ White Space and Wrapping: the 'white-space' property</h2>
 
 	<pre class="propdef">
 	Name: white-space
-	Value: normal | pre | nowrap | pre-wrap | pre-line | <<'white-space-collapse'>> || <<'text-wrap-mode'>> || <<'white-space-trim'>>
+	Value: normal | pre | pre-wrap | pre-line | <<'white-space-collapse'>> || <<'text-wrap-mode'>> || <<'white-space-trim'>>
 	Initial: normal
 	Applies to: text
 	Inherited: yes