fixed overlong differential feed story titles

Summary:
Previously, the comment and/or summary would be added to the title. This
is incorrect behavior.

Test Plan: observed change

Reviewers: epriestley

Reviewed By: epriestley

CC: allenjohnashton, keebuhm, aran, Korvin

Differential Revision: https://secure.phabricator.com/D2701

src/applications/feed/story/PhabricatorFeedStoryDifferential.php

@@ -81,7 +81,6 @@ final class PhabricatorFeedStoryDifferential extends PhabricatorFeedStory {
     $owner_phid = $data->getValue('revision_author_phid');
     $revision_phid = $data->getValue('revision_phid');
     $action = $data->getValue('action');
-    $comments = $data->getValue('feedback_content');
 
     $actor_link = $this->linkTo($actor_phid);
     $revision_link = $this->linkTo($revision_phid);
@@ -91,10 +90,6 @@ final class PhabricatorFeedStoryDifferential extends PhabricatorFeedStory {
 
     $one_line = "{$actor_link} {$verb} revision {$revision_link}";
 
-    if ($comments) {
-      $one_line .= " \"{$comments}\"";
-    }
-
     return $one_line;
   }
 }