[css-text] Remove reference to deleted text

Author: frivoal

css-text-3/Overview.bs

@@ -4898,7 +4898,6 @@ Text Alignment: the 'text-align' shorthand</h3>
 	text-align-white-space-001.xht
 	text-align-white-space-003.xht
 	text-align-white-space-005.xht
-	text-align-white-space-007.xht
 	</wpt>
 
 	If (after justification, if any)