Tupac Shakur's Brother Slams Trump for 'Disrespectful' Jab at Kamala

Tupac's fam says the Trump campaign using the rapper as a prop to mock Kamala Harris was uncool and uncalled-for, and though he wants an apology ... he's not holding his breath. Mopreme Shakur, Tupac's stepbrother, tells TMZ ... it was "clearly…