Remove embed validators from old migrations

Since the util file has been deleted, these migrations were referencing a missing file

Author: ChrisLovering

pydis_site/apps/api/migrations/0019_deletedmessage.py

@@ -18,7 +18,7 @@ class Migration(migrations.Migration):
                 ('id', models.BigIntegerField(help_text='The message ID as taken from Discord.', primary_key=True, serialize=False, validators=[django.core.validators.MinValueValidator(limit_value=0, message='Message IDs cannot be negative.')])),
                 ('channel_id', models.BigIntegerField(help_text='The channel ID that this message was sent in, taken from Discord.', validators=[django.core.validators.MinValueValidator(limit_value=0, message='Channel IDs cannot be negative.')])),
                 ('content', models.CharField(help_text='The content of this message, taken from Discord.', max_length=2000)),
-                ('embeds', django.contrib.postgres.fields.ArrayField(base_field=django.contrib.postgres.fields.jsonb.JSONField(validators=[pydis_site.apps.api.models.utils.validate_embed]), help_text='Embeds attached to this message.', size=None)),
+                ('embeds', django.contrib.postgres.fields.ArrayField(base_field=django.contrib.postgres.fields.jsonb.JSONField(validators=[]), help_text='Embeds attached to this message.', size=None)),
                 ('author', models.ForeignKey(help_text='The author of this message.', on_delete=django.db.models.deletion.CASCADE, to='api.User')),
                 ('deletion_context', models.ForeignKey(help_text='The deletion context this message is part of.', on_delete=django.db.models.deletion.CASCADE, to='api.MessageDeletionContext')),
             ],

pydis_site/apps/api/migrations/0051_allow_blank_message_embeds.py

@@ -3,7 +3,6 @@
 import django.contrib.postgres.fields
 import django.contrib.postgres.fields.jsonb
 from django.db import migrations
-import pydis_site.apps.api.models.utils
 
 
 class Migration(migrations.Migration):
@@ -16,6 +15,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='deletedmessage',
             name='embeds',
-            field=django.contrib.postgres.fields.ArrayField(base_field=django.contrib.postgres.fields.jsonb.JSONField(validators=[pydis_site.apps.api.models.utils.validate_embed]), blank=True, help_text='Embeds attached to this message.', size=None),
+            field=django.contrib.postgres.fields.ArrayField(base_field=django.contrib.postgres.fields.jsonb.JSONField(validators=[]), blank=True, help_text='Embeds attached to this message.', size=None),
         ),
     ]

pydis_site/apps/api/migrations/0077_use_generic_jsonfield.py

@@ -2,7 +2,6 @@
 
 import django.contrib.postgres.fields
 from django.db import migrations, models
-import pydis_site.apps.api.models.utils
 
 
 class Migration(migrations.Migration):
@@ -20,6 +19,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='deletedmessage',
             name='embeds',
-            field=django.contrib.postgres.fields.ArrayField(base_field=models.JSONField(validators=[pydis_site.apps.api.models.utils.validate_embed]), blank=True, help_text='Embeds attached to this message.', size=None),
+            field=django.contrib.postgres.fields.ArrayField(base_field=models.JSONField(validators=[]), blank=True, help_text='Embeds attached to this message.', size=None),
         ),
     ]