Remove support for deprecated S3 cache configuration
What does this MR do?
Removes support for deprecated S3 configuration syntax.
Why was this MR needed?
Please read #4070 (closed) for details
Are there points in the code the reviewer needs to double check?
Does this MR meet the acceptance criteria?
- Documentation created/updated
- Added tests for this feature/bug
In case of conflicts with
master- branch was rebased
What are the relevant issue numbers?
Closes #4070 (closed)