BHV-9960: Hide scroll columns when 5-way leaving scroller.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
BHV-9960: Remove crufty properties.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1360 from enyojs/BHV-9960-aarontam

BHV-9960: Hide scroll columns when 5-way leaving scroller.