Revert "Fix: handle UUIDField created under mariadb and Django 4"

This reverts commit 713333ff91a8f2cf24a377b8bfb433650ac68dce.

src/documents/migrations/1056_alter_document_transaction_id.py

@@ -1,19 +0,0 @@
-# Generated by Django 5.1.1 on 2024-10-26 16:14
-
-from django.db import migrations
-
-import documents.models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("documents", "1055_alter_storagepath_path"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="document",
-            name="transaction_id",
-            field=documents.models.Char32UUIDField(blank=True, null=True),
-        ),
-    ]

src/documents/models.py

@@ -134,19 +134,6 @@ class StoragePath(MatchingModel):
         verbose_name_plural = _("storage paths")
 
 
-# see https://docs.djangoproject.com/en/5.1/releases/5.0/#migrating-existing-uuidfield-on-mariadb-10-7 and
-# https://github.com/san4ezy/django_softdelete/issues/45
-class Char32UUIDField(models.UUIDField):
-    def db_type(self, connection):
-        return "char(32)"
-
-    def get_db_prep_value(self, value, connection, prepared=False):
-        value = super().get_db_prep_value(value, connection, prepared)
-        if value is not None and not isinstance(value, str):  # pragma: no cover
-            value = value.hex
-        return value
-
-
 class Document(SoftDeleteModel, ModelWithOwner):
     STORAGE_TYPE_UNENCRYPTED = "unencrypted"
     STORAGE_TYPE_GPG = "gpg"
@@ -303,11 +290,6 @@ class Document(SoftDeleteModel, ModelWithOwner):
         ),
     )
 
-    transaction_id = Char32UUIDField(
-        blank=True,
-        null=True,
-    )
-
     class Meta:
         ordering = ("-created",)
         verbose_name = _("document")