By Mark Jefferies It has been almost a decade since comedy genius Rik Mayall suddenly, and unexpectedly, died of a heart attack at his home. And sitting on the sofa of a replica version of the Bottom set, scene of so many laughs and jokes crafted by Rik and his best friend, it is perhaps no surprise Adrian Edmondson cannot hold back the tears. “It’s really weird being in a world without him,” he says. “Very weird thinking he didn’t know anything about Brexit and about Covid. I mean our relationship was strained towards the end. When I do things like this, I remember the absolute joy of sitting…