ENYO-287 Removed reference to layout/flex
ENYO-287 Removed reference to layout/flex

Issue
---
deploy.json included reference to removed layout/flex library

Cause
---
layout/flex library removed

Fix
---
Update deploy.json

Enyo-DCO-1.1-Signed-off-by: Roy Sutton <roy.sutton@lge.com>

enyojs/sampler,enyojs/sampler,enyojs/sampler,enyojs/sampler