PEP 527: Update status to Final (#1382)

Fully implemented via pypi/warehouse#6792

Author: hugovk

pep-0527.txt

@@ -5,7 +5,7 @@ Last-Modified: $Date$
 Author: Donald Stufft <[email protected]>
 BDFL-Delegate: Nick Coghlan <[email protected]>
 Discussions-To: [email protected]
-Status: Accepted
+Status: Final
 Type: Process
 Content-Type: text/x-rst
 Created: 23-Aug-2016