LONDON—London clubbers on Monday flocked to one of the first rule-free live music events since the pandemic began last year, dancing through the night and rejoicing in human interaction as England lifted most COVID-19 restrictions at midnight. UK Prime Minister Boris Johnson is lifting most restrictions in England in what some have dubbed “Freedom Day.” Epidemiologists are generally skeptical that lifting restrictions is the right thing to do, but many young British people have had enough of more than one-and-a-half years of lockdowns, and said they crave a party. “I have not been allowed to dance for like what seems like forever,” said Georgia Pike, 31, at the Oval Space in Hackney, east London. “I want to dance, I want to hear live music, I want the vibe of being at a gig, of being around other people.” Inside the club, revellers, some with pints in their hands, some simply …