Fix text-shadown on text-buttons.

Summary: Missed this case in last test.

Test Plan: View Action List UIExample Page, no shadows.

Reviewers: vrana

Reviewed By: vrana

CC: epriestley, aran

Differential Revision: https://secure.phabricator.com/D3935

webroot/rsrc/css/layout/phabricator-action-list-view.css

@@ -44,6 +44,7 @@
   color: #3b5998;
   width: 100%;
   text-align: left;
+  text-shadow: none;
 }
 
 .phabricator-action-view button.phabricator-action-view-item,