Revert "Hide overflow-x in Toolbar"

This reverts commit 4e34cba4cc12b318ecf405f9bba4d47e2e39736f.

This is due to the information at http://www.brunildo.org/test/Overflowxy2.html -- apparently, that combination of CSS just doesn't work correctly.

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@palm.com)