So the question is how to delete a transaction in Electrum, so that a new RBF type is sent to a mempul but with a higher Commission so that it is carried out faster than the first, but not as now to the same wallet, but to another one, let's say
You can follow
this guide to remove a transaction from your wallet. Keep in mind that most nodes by default will reject transaction spending the same inputs even if it pays a higher fee. You are more likely to succeed after a few days when most nodes drop the first transaction from their mempools.