Remove unused callbacks in createSceneFromObject
Remove unused callbacks in createSceneFromObject

Phaser never calls 'shutdown' or 'destroy' methods.

spayton/phaser,photonstorm/phaser,BeanSeed/phaser,englercj/phaser,rblopes/phaser,spayton/phaser,TukekeSoft/phaser,mahill/phaser,TukekeSoft/phaser,pixelpicosean/phaser,mahill/phaser,TukekeSoft/phaser,BeanSeed/phaser,photonstorm/phaser