R1:91880b5a5158

Rename `ManiphestTaskListControllerPro` to `ManiphestTaskListController`

Summary: This marks the first time in history that "Pro" has been removed.

Test Plan: `grep`

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D6980