Update Wagmi guide

[alexandratran]

Description

This PR makes the following corrections to the Wagmi guide:

• Removes recommendation to use universal links.
  • Reason: In Wagmi, the option useDeepLink has been removed from exposed parameters, and is now enforced to true.
• Updates dappMetadata example to include name and url.
• Removes reference to infuraApiKey option and section explaining the benefits of using the Infura API.
  • Reason: Wagmi already manages the default readonly RPC. So, if a dapp needs this option, it's intentional on their part, and it's only to use the wallet's RPC to reduce the consumption of their own RPC (example: Uniswap). If the user doesn't provide any RPC, Wagmi will provide a default RPC for each chain. The Wagmi Metamask connector will internally inject them in the readonlyRPCMap . So there is no need to detail it in the documentation. 99% of dapps don't need this option when using Wagmi.
• Removes step 3 using usePrepareContractWrite.
  • Reason: usePrepareContractWrite has been removed in Wagmi v2.

Still to do:

• Explain that the MetaMask SDK provider will replace the default injected one (no need to filter, etc).
• Explain how to filter / deduplicate the MetaMask provider. We can provide an example of a ready to use filter function / hook.

See Notion doc.

Issue(s) fixed

Fixes #1668

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Checklist

Complete this checklist before merging your PR:

• If this PR contains a major change to the documentation content, I have added an entry to the top of the "What's new?" page.
• The proposed changes have been reviewed and approved by a member of the documentation team.

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Name	Status	Preview	Comments	Updated (UTC)
metamask-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 23, 2024 7:35pm