Piers Morgan sparked rumours he's quit Twitter until the new year in an update last night.The Good Morning Britain host cited a number of issues, before claiming: "I'm done!"The 55-year-old was inundated with comments after telling his 7.7 million followers: "See you in 2021."It came after the Government yesterday "canned" Christmas, issuing new rules for those in the UK.Piers also refernced Arsenal football team, Brexit and Donald Trump in the message, liked more than 23,000 times.The father-of-four is a regular user of Twitter, posting daily, including while hosting ITV's GMB.He tweeted: "A new mutant covid is on the rampage, Arsenal keep losing, the dreadful reality of Brexit is looming, Trump’s still chucking his toys out of the pram,.