By Lucretia Munro Love Island fans were left horrified after Mitch Taylor showed off his disgusting habit on the ITV show’s Unseen Bits. The contestant on this year’s All Stars series paraded his ability to bite his toenails – and fans were not impressed and voiced their disgust on social media. The Sheffield born gas engineer was dubbed Messy Mitch last years due to his tendency to create drama in the villa among his co-stars. Saturday night’s episode of the reality TV show is known for outing the Islander’s secrets away from challenges and dating. And so after seeing Mitch raise his leg to h…