Stream itunes to iphone? Did Apple remove this functionality?

[EvilEvil]

How do I go about doing this or did Apple remove the functionality?

 

[PNutts]

Do you mean Home Sharing? If so it's still there.

 

[charlituna]

How do I go about doing this or did Apple remove the functionality?

home sharing is there. As is the 'in the cloud'

but you need to make sure that you have 'show all music' turned on or you won't see the stuff that isn't on the device