certain db level settings in duckdb can't be set again (#6439)

runtime/drivers/duckdb/duckdb.go

@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"log/slog"
 	"net/url"
-	"path/filepath"
 	"strings"
 	"sync"
 	"time"
@@ -500,10 +499,7 @@ func (c *connection) reopenDB(ctx context.Context) error {
 	// We want to set preserve_insertion_order=false in hosted environments only (where source data is never viewed directly). Setting it reduces batch data ingestion time by ~40%.
 	// Hack: Using AllowHostAccess as a proxy indicator for a hosted environment.
 	if !c.config.AllowHostAccess {
-		bootQueries = append(bootQueries,
-			"SET preserve_insertion_order TO false",
-			fmt.Sprintf("SET secret_directory = %s", safeSQLString(filepath.Join(dataDir, ".duckdb", "secrets"))),
-		)
+		bootQueries = append(bootQueries, "SET preserve_insertion_order TO false")
 	}
 
 	// Add init SQL if provided

runtime/pkg/rduckdb/db.go

@@ -741,13 +741,6 @@ func (d *db) openDBAndAttach(ctx context.Context, uri, ignoreTable string, read
 				return err
 			}
 		}
-		if !read {
-			// disable any more configuration changes on the write handle via init queries
-			_, err = execer.ExecContext(ctx, "SET lock_configuration TO true", nil)
-			if err != nil {
-				return err
-			}
-		}
 		return nil
 	})
 	if err != nil {