'Aladdin' Star Mena Massoud Scrubs Twitter After 'Little Mermaid' Backlash

Ariel the mermaid just pounded real-life Aladdin into submission -- or, more accurately, her fans did ... this after the dude juxtaposed his flick with hers, which pissed a lot of people off. Mena Massoud -- who played everyone's favorite street…