Investment firm Comvest Partners and financial services firm CapX Partners will acquire Boston-based embattled e-commerce streetwear firm Karmaloop, amid months of speculation that hip-hop star Kanye West would bid to acquire the company. Karmaloop owes Comvest Capital, an existing lender and a division of Florida-based Comvest Partners, $30 million. Robert O'Sullivan, partner at Comvest Partners, said he's excited about the acquisition. "We’ve been involved with the company since 2012 and are…