Mariah Carey isn't sweating the Rock & Roll Hall of Fame leaving her off its latest induction list ... she straight up says she doesn't care. We caught up with Mariah outside The Peninsula Hotel in NYC on Monday, where she brushed off the snub without missing a beat. Her take? Who cares! She says give it to somebody else. Safe to say, she's not losing any sleep over it. Fans were gathered outside her SUV and weren't having it, though ... telling her she deserved the honor and that the Hall