Change hide_problem_tags default to True

judge/migrations/0119_auto_20220306_0512.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.25 on 2022-03-05 22:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('judge', '0118_rating'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='contest',
+            name='hide_problem_tags',
+            field=models.BooleanField(default=True, help_text='Whether problem tags should be hidden by default.', verbose_name='hide problem tags'),
+        ),
+    ]