Please move `derive_partial_eq_without_eq` to nursery

[jplatte]

Description

There's still a large number of false positives with derive_partial_eq_without_eq, can you please move it to nursery?

[xFrednet]

@rustbot claim

[alex-semenyuk]

@xFrednet oops, sorry forget to send claim:(

[xFrednet]

No worries, now you're assigned to it 🙃