Remove wiki move explanation in projects

Summary: I assume we've shown this long enough, plus with redesign it's a good time to remove.

Test Plan: reload page, no link

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11394

src/applications/project/controller/PhabricatorProjectProfileController.php

@@ -204,18 +204,6 @@ final class PhabricatorProjectProfileController
       }
     }
 
-    $have_phriction = PhabricatorApplication::isClassInstalledForViewer(
-      'PhabricatorPhrictionApplication',
-      $viewer);
-    if ($have_phriction) {
-      $view->addAction(
-        id(new PhabricatorActionView())
-          ->setIcon('fa-book grey')
-          ->setName(pht('View Wiki'))
-          ->setWorkflow(true)
-          ->setHref('/project/wiki/'));
-    }
-
     return $view;
   }