Revert "Fixes #13741: Enforce unique names for inventory items with no parent item"

This reverts commit 68966db23d22edcd81423e717a4157428ebfb896.

netbox/dcim/migrations/0182_inventoryitem_uniqueness_fix.py

@@ -1,17 +0,0 @@
-# Generated by Django 4.2.5 on 2023-09-15 14:20
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('dcim', '0181_rename_device_role_device_role'),
-    ]
-
-    operations = [
-        migrations.AddConstraint(
-            model_name='inventoryitem',
-            constraint=models.UniqueConstraint(condition=models.Q(('parent__isnull', True)), fields=('device', 'name'), name='dcim_inventoryitem_unique_device_name'),
-        ),
-    ]

netbox/dcim/models/device_components.py

@@ -1246,11 +1246,6 @@ class InventoryItem(MPTTModel, ComponentModel, TrackingModelMixin):
                 fields=('device', 'parent', 'name'),
                 name='%(app_label)s_%(class)s_unique_device_parent_name'
             ),
-            models.UniqueConstraint(
-                fields=('device', 'name'),
-                name='%(app_label)s_%(class)s_unique_device_name',
-                condition=Q(parent__isnull=True)
-            ),
         )
         verbose_name = _('inventory item')
         verbose_name_plural = _('inventory items')