dev(puterfs): move read to extension

src/backend/src/modules/puterfs/lib/PuterFSProvider.js

@@ -885,21 +885,8 @@ class PuterFSProvider extends putility.AdvancedBase {
         version_id,
         range,
     }) {
-        // TODO: one PuterFS aggregates its own storage, don't get it
-        //       via mountpoint service.
-        const svc_mountpoint = context.get('services').get('mountpoint');
-        const storage = svc_mountpoint.get_storage(this.constructor.name);
-        const location = await node.get('s3:location') ?? {};
-        const stream = (await storage.create_read_stream(await node.get('uid'), {
-            // TODO: fs:decouple-s3
-            bucket: location.bucket,
-            bucket_region: location.bucket_region,
-            version_id,
-            key: location.key,
-            memory_file: node.entry,
-            ...(range ? { range } : {}),
-        }));
-        return stream;
+        console.error('This .read should not be called!');
+        process.exit(1);
     }
 }