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/application/PhabricatorProjectApplication.php

@@ -87,7 +87,6 @@ final class PhabricatorProjectApplication extends PhabricatorApplication {
         'history/(?P<id>[1-9]\d*)/' => 'PhabricatorProjectHistoryController',
         '(?P<action>watch|unwatch)/(?P<id>[1-9]\d*)/'
           => 'PhabricatorProjectWatchController',
-        'wiki/' => 'PhabricatorProjectWikiExplainController',
       ),
       '/tag/' => array(
         '(?P<slug>[^/]+)/' => 'PhabricatorProjectViewController',

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;
   }
 

src/applications/project/controller/PhabricatorProjectWikiExplainController.php

@@ -1,31 +0,0 @@
-<?php
-
-final class PhabricatorProjectWikiExplainController
-  extends PhabricatorProjectController {
-
-  public function handleRequest(AphrontRequest $request) {
-    return $this->newDialog()
-      ->setTitle(pht('Wikis Have Changed'))
-      ->appendParagraph(
-        pht(
-          'Wiki pages in Phriction have been upgraded to have more powerful '.
-          'support for policies and access control. Each page can now have '.
-          'its own policies.'))
-      ->appendParagraph(
-        pht(
-          'This change obsoletes dedicated project wiki pages and '.
-          'resolves a number of issues they had: you can now have '.
-          'multiple wiki pages for a project, put them anywhere, give '.
-          'them custom access controls, and rename them (or the project) '.
-          'more easily and with fewer issues.'))
-      ->appendParagraph(
-        pht(
-          'If you want to point users of this project to specific wiki '.
-          'pages with relevant documentation or information, edit the project '.
-          'description and add links. You can use the %s syntax to link to a '.
-          'wiki page.',
-          phutil_tag('tt', array(), '[[ example/page/ ]]')))
-      ->addCancelButton('/', pht('Okay'));
-  }
-
-}