AUTO: Sync ScalarDB docs in English to docs site repo

Author: josh-wong

docs/configurations.mdx

@@ -159,7 +159,6 @@ For information on YugabyteDB's smart driver and load balancing, see [YugabyteDB
     | `scalar.db.contact_port`                | Port number for all the contact points.                               |            |
     | `scalar.db.username`                    | Username to access the database.                                      |            |
     | `scalar.db.password`                    | Password to access the database.                                      |            |
-    | `scalar.db.cassandra.metadata.keyspace` | Keyspace name for the namespace and table metadata used for ScalarDB. | `scalardb` |
   </TabItem>
 </Tabs>