Make errors in dialogs look reasonable instead of hideous

Summary: I accidentally made these exceptionally ugly recently.

Test Plan: {F137411}

Reviewers: btrahan, chad

Reviewed By: chad

Subscribers: epriestley, chad

Differential Revision: https://secure.phabricator.com/D8684

src/applications/conpherence/controller/ConpherenceUpdateController.php

@@ -156,8 +156,6 @@ final class ConpherenceUpdateController
 
     if ($errors) {
       $error_view = id(new AphrontErrorView())
-        ->setTitle(pht('Errors editing conpherence.'))
-        ->setInsideDialogue(true)
         ->setErrors($errors);
     }