The distributed_loader::get_sstables_from_object_store() method accepts an endpoint parameter and internally wants to get storage type for that endpoint (s3 or gcs). This is needed to construct storage_options object to create an sstable object.
To get the type, the method scans db::config option, but there's much simpler way to get one.
Code cleanup, no need to backport
Closesscylladb/scylladb#27381
* github.com:scylladb/scylladb:
sstables_loader: Provide endpoint type for get_sstables_from_object_store()
storage_manager: Introduce get_endpoint_type() method
storage_manager: Split get_endpoint_client()
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