[Enhancement] Do some code optimization.[writer_factory.go]

### Search before asking

- [X] I had searched in the [issues](https://github.com/apache/eventmesh/issues?q=is%3Aissue) and found no similar issues.

### Enhancement Request

This issue is a subproject issue of eventmesh. the subproject address is:
https://github.com/apache/eventmesh-go
located at:
eventmesh-go/log/writer_factory.go line 49,80,88
analysis and expalanation:
a.Unused parameter 'name'
b.if-return: redundant if ...; err != nil check, just return error instead.

### Describe the solution you'd like


### Are you willing to submit PR?

- [ ] Yes I am willing to submit a PR!

Open eventmesh-go/log/writer_factory.go and inspect lines 49, 80, and 88. Verify the unused `name` parameter and redundant if-return error checks described in the issue; done means those reported issues are resolved and the eventmesh-go checks pass.

Written by the indexing model from the issue text.