Remove dedicated "Jump Nav" navigation element

Summary: Fixes T5175. Not sure if I cleaned out everything, but this seemed like a reasonable first pass. Attempted to delete all code that belonged to Jump Nav feature only.

Test Plan: Open phabricator homepage, verify Jump Nav element is gone, verify the Search bar still autocompletes and jumps to shortcuts.

Reviewers: chad, epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin

Maniphest Tasks: T5175

Differential Revision: https://secure.phabricator.com/D9301

src/applications/home/controller/PhabricatorHomeMainController.php

@@ -16,10 +16,6 @@ final class PhabricatorHomeMainController
 
   public function processRequest() {
     $user = $this->getRequest()->getUser();
-
-    if ($this->filter == 'jump') {
-      return $this->buildJumpResponse();
-    }
     $nav = $this->buildNav();
 
     $dashboard = PhabricatorDashboardInstall::getDashboard(
@@ -92,8 +88,6 @@ final class PhabricatorHomeMainController
       $welcome_panel = null;
     }
 
-    $jump_panel = $this->buildJumpPanel();
-
     if ($has_differential) {
       $revision_panel = $this->buildRevisionPanel();
     } else {
@@ -101,7 +95,6 @@ final class PhabricatorHomeMainController
     }
 
     $content = array(
-      $jump_panel,
       $welcome_panel,
       $unbreak_panel,
       $triage_panel,
@@ -118,27 +111,6 @@ final class PhabricatorHomeMainController
 
   }
 
-  private function buildJumpResponse() {
-    $request = $this->getRequest();
-    $jump = $request->getStr('jump');
-
-    $response = PhabricatorJumpNavHandler::getJumpResponse(
-      $request->getUser(),
-      $jump);
-
-    if ($response) {
-      return $response;
-    } else if ($request->isFormPost()) {
-      $uri = new PhutilURI('/search/');
-      $uri->setQueryParam('query', $jump);
-      $uri->setQueryParam('search:primary', 'true');
-
-      return id(new AphrontRedirectResponse())->setURI((string)$uri);
-    } else {
-      return id(new AphrontRedirectResponse())->setURI('/');
-    }
-  }
-
   private function buildUnbreakNowPanel() {
     $unbreak_now = PhabricatorEnv::getEnvConfig(
       'maniphest.priorities.unbreak-now');
@@ -330,73 +302,6 @@ final class PhabricatorHomeMainController
     return $view;
   }
 
-  private function buildJumpPanel($query=null) {
-    $request = $this->getRequest();
-    $user = $request->getUser();
-
-    $uniq_id = celerity_generate_unique_node_id();
-
-    Javelin::initBehavior(
-      'phabricator-autofocus',
-      array(
-        'id' => $uniq_id,
-      ));
-
-    require_celerity_resource('phabricator-jump-nav');
-
-    $doc_href = PhabricatorEnv::getDocLink('Jump Nav User Guide');
-    $doc_link = phutil_tag(
-      'a',
-      array(
-        'href' => $doc_href,
-      ),
-      'Jump Nav User Guide');
-
-    $jump_input = phutil_tag(
-      'input',
-      array(
-        'type'  => 'text',
-        'class' => 'phabricator-jump-nav',
-        'name'  => 'jump',
-        'id'    => $uniq_id,
-        'value' => $query,
-      ));
-    $jump_caption = phutil_tag(
-      'p',
-      array(
-        'class' => 'phabricator-jump-nav-caption',
-      ),
-      hsprintf(
-        'Enter the name of an object like <tt>D123</tt> to quickly jump to '.
-          'it. See %s or type <tt>help</tt>.',
-        $doc_link));
-
-    $form = phabricator_form(
-      $user,
-      array(
-        'action' => '/jump/',
-        'method' => 'POST',
-        'class'  => 'phabricator-jump-nav-form',
-      ),
-      array(
-        $jump_input,
-        $jump_caption,
-      ));
-
-    $panel = new AphrontPanelView();
-    $panel->setNoBackground();
-    // $panel->appendChild();
-
-    $list_filter = new AphrontListFilterView();
-    $list_filter->appendChild($form);
-
-    $container = phutil_tag('div',
-      array('class' => 'phabricator-jump-nav-container'),
-      $list_filter);
-
-    return $container;
-  }
-
   private function renderSectionHeader($title, $href) {
     $header = phutil_tag(
       'a',