Late Disney star Michael Galeota's cause of death has officially been ruled as heart disease, People confirms. "It's been a long nine months waiting for the toxicology report to be finalized," Michael's brother Jimmy tells People of the late actor, whose death earlier this year was shrouded in mystery. "One of our friends recently asked me if it was going to matter when the results came in," says Jimmy. "He asked me if it would change anything for me, from an emotional standpoint. And the truth is, it makes no difference." "My brother is gone and he's not coming back,