[css-values-4] Editorial: remove redundant leftover step (w3c#6888)

Author: noamr

css-values-4/Overview.bs

@@ -1020,23 +1020,21 @@ URL Processing Model</h4>
 
 		5. Let |referrer| be |documentBase|.
 
-		6. Let |handleResourceFetchDone| be to do nothing.
+		6. If |base| is null, set |base| to |documentBase|.
 
-		7. If |base| is null, set |base| to |documentBase|.
-
-		8. Let |parsedUrl| be the result of the [=URL parser=] steps with |url| and |base|.
+		7. Let |parsedUrl| be the result of the [=URL parser=] steps with |url| and |base|.
 			If the algorithm returns an error, return.
 
-		9. If |corsMode| is "cors", set |referrer| to |sheet|'s
+		8. If |corsMode| is "cors", set |referrer| to |sheet|'s
 			<a spec=cssom>location</a>. [[CSSOM]]
 
-		10. Let |req| be a new [=/request=] whose [=request/url=] is |parsedUrl|, whose
+		9. Let |req| be a new [=/request=] whose [=request/url=] is |parsedUrl|, whose
 			[=request/destination=] is |destination|, [=request/mode=] is |corsMode|,
 			[=request/origin=] is |environmentSettings|'s [=environment settings object/origin=],
 			[=request/credentials mode=] is "same-origin", [=request/use-url-credentials flag=] is
 			set, and whose [=request/referrer=] is |referrer|.
 
-		11. [=/Fetch=] |req|, with |taskDestination| set to |global|, and |processResponseConsumeBody|
+		10. [=/Fetch=] |req|, with |taskDestination| set to |global|, and |processResponseConsumeBody|
 			set to the following steps given [=/response=] |res| and Null, failure or byte stream
 			|byteStream|:
 			1. If |sheet|'s <a spec=cssom>origin-clean flag</a> is set,