Review typespec-end-to-end-scenarios.md

https://github.com/Azure/azure-rest-api-specs/blob/main/documentation/typespec-end-to-end-scenarios.md

```
tsp init https://aka.ms/azure-init
```

But this result in an error
```
error init-template-invalid-json: Unable to parse https://aka.ms/azure-init:
Unexpected token < in JSON at position 0. Check that the template URL is correct.
```
correct url is

```
tsp init https://aka.ms/typespec/azure-init
```

also can stop mentioning delete package.json as the latest template doesn't create it
```[tasklist]
### Tasks
- [ ] Moving init template from microsoft/typespec repo to rest-api-spec repo and update aka.ms
```