Remove reference of "faststream.access" from docs

[rishabhc32]

Description

faststream.access is not the correct way of configuring faststream's loggers. So remove their reference from docs.

Also the import from faststream.log import access_logger is not valid.

Fixes #1994

Type of change

Please delete options that are not relevant.

• Documentation (typos, code examples, or any documentation updates)
• This change requires a documentation update

Checklist

• My code adheres to the style guidelines of this project (scripts/lint.sh shows no errors)
• I have conducted a self-review of my own code
• I have made the necessary changes to the documentation
• My changes do not generate any new warnings
• I have added tests to validate the effectiveness of my fix or the functionality of my new feature
• Both new and existing unit tests pass successfully on my local environment by running scripts/test-cov.sh
• I have ensured that static analysis tests are passing by running scripts/static-analysis.sh
• I have included code examples to illustrate the modifications

[Lancetnik]

LGTM, thank you