Sarunas J. Jackson made headlines after slamming Trey Songzby claiming the rapper “wants to fight women,” but Radar is told the latter doesn’t know the Insecure star. Sources say Jackson is using the musician’s name for clout. “Trey Songz has never met Sarunas J. Jackson,” an insider tells Radar, adding the HBO star’s accusations are “yet another example of fame-hungry individuals attempting to use Trey’s name for their own benefit.” Jackson lit up social media when a video began circulating showing him bashing Songz’s character amid his mounting assault claims. Several women have come forward…