Bug 31569: (QA follow-up) Add missing entries in schema

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>

Koha/Import/Record/Biblios.pm

@@ -17,10 +17,6 @@ package Koha::Import::Record::Biblios;
 
 use Modern::Perl;
 
-use Carp;
-
-use Koha::Database;
-
 use Koha::Import::Record::Biblio;
 
 use base qw(Koha::Objects);

Koha/Schema/Result/ImportBiblio.pm

@@ -128,6 +128,11 @@ __PACKAGE__->belongs_to(
 # Created by DBIx::Class::Schema::Loader v0.07049 @ 2022-10-17 11:17:50
 # DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:Oj/1VkjYP538OlNeu41mqA
 
+sub koha_object_class {
+    'Koha::Import::Record::Biblio';
+}
+sub koha_objects_class {
+    'Koha::Import::Record::Biblios';
+}
 
-# You can replace this text with custom content, and it will be preserved on regeneration
 1;