Rename ManiphestTransactionPro -> ManiphestTransaction

Summary: Ref T2217. Pro is the new standard.

Test Plan: Lots of `grep`, made a pile of Maniphest views/edits.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2217

Differential Revision: https://secure.phabricator.com/D7093

src/applications/maniphest/controller/ManiphestSubscribeController.php

@@ -32,8 +32,8 @@ final class ManiphestSubscribeController extends ManiphestController {
         return new Aphront400Response();
     }
 
-    $xaction = id(new ManiphestTransactionPro())
-      ->setTransactionType(ManiphestTransactionPro::TYPE_CCS)
+    $xaction = id(new ManiphestTransaction())
+      ->setTransactionType(ManiphestTransaction::TYPE_CCS)
       ->setNewValue($ccs);
 
     $editor = id(new ManiphestTransactionEditorPro())