Revert "optimize scene stashing before launching" (74f47092382e7acc48e520e1cdba26a3340e1ee8)
Revert "optimize scene stashing before launching" (74f47092382e7acc48e520e1cdba26a3340e1ee8)

cocos-creator/deprecated-editor,fireball-x/deprecated-editor,fireball-x/deprecated-editor,cocos-creator/deprecated-editor