Fix one more remarkup line wrapping issue

Summary:
Ran into this while fixing T11098#179088.

The "Transaction Type" details in the conduit autogenerated documentation for `*.edit` endpoints still wraps incorrectly.

Test Plan: Purged remarkup cache, reloaded page, got full-width text.

Reviewers: avivey, chad

Reviewed By: chad

Differential Revision: https://secure.phabricator.com/D16065

src/applications/transactions/editengine/PhabricatorEditEngineAPIMethod.php

@@ -158,6 +158,11 @@ abstract class PhabricatorEditEngineAPIMethod
 
     $view = new PHUIRemarkupView($viewer, $remarkup);
 
+    $view->setRemarkupOptions(
+      array(
+        PHUIRemarkupView::OPTION_PRESERVE_LINEBREAKS => false,
+      ));
+
     return id(new PHUIBoxView())
       ->appendChild($view)
       ->addPadding(PHUI::PADDING_LARGE);