ENYO-2983: modify the unnecessary code

ENYO-DCO-1.1-Signed-off-by: Kiwook Shim <kiwook.shim@lge.com>
ENYO-2983 : delete unnecessary return value
ENYO-2983-bugfix: fixed indent
Merge pull request #608 from enyojs/ENYO-2983

merged. 
ENYO-2983-bugfix: fixed bug to launch bundled chromium in Windows