[Feature]: 1 removed from Mempool

[JeanlChristophe]

Describe the problem

I should be able to remove ‘1 removed from Mempool’. For now, this notification remains forever.

Describe the solution

No response

Additional context

No response

[aldertnl]

Perhaps we should remove that element from the section headline since the body copy of a single transaction now clearly indicates (in red) 'Removed from Mempool'.