[Bug]: Networks - After deleting a custom RPC for a default network and reloading the wallet I get `Error: `networksMetadata` had invalid network client IDs, which have been removed`

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### Describe the bug

After deleting a custom RPC for a default network and reloading the wallet I get `Error: `networksMetadata` had invalid network client IDs, which have been removed`

### Expected behavior

No error

### Screenshots/Recordings

https://github.com/user-attachments/assets/9943d07d-f94b-4c5c-91ba-3a199bc97724

### Steps to reproduce

1. Open Networks menu
2. On Ethereum Mainnet add another RPC
3. Select Infura again
4. Now delete this new custom RPC
5. Close the wallet
6. Click Reload
7. Open console
8. See error

### Error messages or log output

```shell

```

### Where was this bug found?

Live version (from official store)

### Version

13.35.0

### Build type

None

### Browser

Chrome

### Operating system

MacOS

### Hardware wallet

_No response_

### Additional context

_No response_

### Severity

_No response_

Reproduce the issue through the Networks menu using Ethereum Mainnet: add another RPC, select Infura, delete it, close the wallet, reload, and inspect the console. Trace the reload handling for networksMetadata and confirm the completed fix no longer reports invalid network client IDs after deleting the custom RPC.

Written by the indexing model from the issue text.