"Add a pallet to the runtime" tutorial should be rewritten without the Nicks pallet, Nicks was deprecated

[sgerodes]

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Content request

Add a pallet to the runtime tutorial uses the Nicks pallet which is not a part of the polkadot sdk anymore.

Nicks was removed https://github.com/paritytech/polkadot-sdk/commit/dc4a4559111988300f1a2493b649956d48728ccc

These two tickets could be closed after rewriting. They are referencing Nicks, which is deprecated. https://github.com/substrate-developer-hub/substrate-docs/issues/2087 https://github.com/substrate-developer-hub/substrate-docs/issues/2032

Are you willing to help with this request?

Yes!

[asamuj]

same problem as me, should update the doc?

[programskillforverification]

I would like rewrite it