[FA] [Post-Launch] Rename fields in Petition snippet - Part 3 (#11096)

* Remove old fields

* Rename migrations

network-api/networkapi/wagtailpages/migrations/0102_pni_petition_remove_old_fields.py

@@ -0,0 +1,24 @@
+# Generated by Django 3.2.20 on 2023-09-04 19:21
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("wagtailpages", "0101_pni_petition_data_migration"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="petition",
+            name="comment_requirements",
+        ),
+        migrations.RemoveField(
+            model_name="petition",
+            name="requires_country_code",
+        ),
+        migrations.RemoveField(
+            model_name="petition",
+            name="requires_postal_code",
+        ),
+    ]

network-api/networkapi/wagtailpages/pagemodels/campaigns.py

@@ -187,29 +187,6 @@ class Petition(TranslatableMixin, CTA):
         help_text="This toggles the visibility of the optional comment field.",
     )
 
-    requires_country_code = models.BooleanField(
-        default=False,
-        help_text="Will this petition require users to specify their country?",
-    )
-
-    requires_postal_code = models.BooleanField(
-        default=False,
-        help_text="Will this petition require users to specify their postal code?",
-    )
-
-    COMMENT_CHOICES = (
-        ("none", "No comments"),
-        ("optional", "Optional comments"),
-        ("required", "Required comments"),
-    )
-
-    comment_requirements = models.CharField(
-        choices=COMMENT_CHOICES,
-        default="none",
-        help_text="What is the comments policy for this petition?",
-        max_length=8,
-    )
-
     checkbox_1 = models.CharField(
         editable=False,
         max_length=1024,