Change "Account doesn't exist" toast message to "Account has been removed" for...

Change "Account doesn't exist" toast message to "Account has been removed" for deleting accounts (#1650)

* Finish activity after deleting

Signed-off-by: Arnau Mora <arnyminerz@proton.me>

* Added proper toast for when the account is deleted

Signed-off-by: Arnau Mora <arnyminerz@proton.me>

* Simplify logic

* Missing fix

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Signed-off-by: Arnau Mora <arnyminerz@proton.me>