multi: remove DefaultQueryConfig

And always make use of either the new DefaultSQLiteConfig or
DefaultPostgresConfig.

sqldb/paginate.go

@@ -72,14 +72,6 @@ func (c *QueryConfig) Validate(sqlite bool) error {
 	return nil
 }
 
-// DefaultQueryConfig returns a default configuration for SQL queries.
-func DefaultQueryConfig() *QueryConfig {
-	return &QueryConfig{
-		MaxBatchSize: 250,
-		MaxPageSize:  10000,
-	}
-}
-
 // DefaultSQLiteConfig returns a default configuration for SQL queries to a
 // SQLite backend.
 func DefaultSQLiteConfig() *QueryConfig {

sqldb/paginate_test.go

@@ -22,7 +22,7 @@ func TestExecuteBatchQuery(t *testing.T) {
 
 	t.Run("empty input returns nil", func(t *testing.T) {
 		var (
-			cfg        = DefaultQueryConfig()
+			cfg        = DefaultSQLiteConfig()
 			inputItems []int
 		)
 
@@ -144,7 +144,7 @@ func TestExecuteBatchQuery(t *testing.T) {
 
 	t.Run("query function error is propagated", func(t *testing.T) {
 		var (
-			cfg        = DefaultQueryConfig()
+			cfg        = DefaultSQLiteConfig()
 			inputItems = []int{1, 2, 3}
 		)
 
@@ -174,7 +174,7 @@ func TestExecuteBatchQuery(t *testing.T) {
 
 	t.Run("callback error is propagated", func(t *testing.T) {
 		var (
-			cfg        = DefaultQueryConfig()
+			cfg        = DefaultSQLiteConfig()
 			inputItems = []int{1, 2, 3}
 		)
 
@@ -307,7 +307,7 @@ func TestSQLSliceQueries(t *testing.T) {
 
 	err := ExecuteBatchQuery(
 		ctx,
-		DefaultQueryConfig(),
+		DefaultSQLiteConfig(),
 		queryParams,
 		func(s string) string {
 			return s