To remove this:
First, run the following PowerShell with admin:
New-Item HKLM:\SOFTWARE\Policies\Microsoft\Edge -ErrorAction SilentlyContinue
New-ItemProperty HKLM:\SOFTWARE\Policies\Microsoft\Edge -Name HubsSidebarEnabled -Type DWORD -Value 0
Then open the URL: edge://policy/
And click:
Then it's clean again!
Great! Love you.