8252897: Minor .jcheck/conf update

Reviewed-by: ehelin

.jcheck/conf

@@ -3,7 +3,7 @@ project=jdk
 jbs=JDK
 
 [checks]
-error=blacklist.author,committer,reviewers,merge,issues,executable,symlink,message,hg-tag,whitespace
+error=author,committer,reviewers,merge,issues,executable,symlink,message,hg-tag,whitespace
 
 [repository]
 tags=(?:jdk-(?:[1-9]([0-9]*)(?:\\.(?:0|[1-9][0-9]*)){0,4})(?:\\+(?:(?:[0-9]+))|(?:-ga)))|(?:jdk[4-9](?:u\\d{1,3})?-(?:(?:b\\d{2,3})|(?:ga)))|(?:hs\\d\\d(?:\\.\\d{1,2})?-b\\d\\d)