Fix: Remove .select() from delete operations

supabase/migrations/20251104164143_4bb61748-bbcd-48a7-b2f4-0984be427640.sql

@@ -0,0 +1,42 @@
+-- Allow moderators to delete test data from version tables
+-- This enables test data cleanup operations to work properly
+
+-- Park versions
+CREATE POLICY "Moderators can delete test park versions"
+ON park_versions
+FOR DELETE
+TO authenticated
+USING (
+  is_test_data = true 
+  AND is_moderator(auth.uid())
+);
+
+-- Ride versions  
+CREATE POLICY "Moderators can delete test ride versions"
+ON ride_versions
+FOR DELETE
+TO authenticated
+USING (
+  is_test_data = true 
+  AND is_moderator(auth.uid())
+);
+
+-- Company versions
+CREATE POLICY "Moderators can delete test company versions"
+ON company_versions
+FOR DELETE
+TO authenticated
+USING (
+  is_test_data = true 
+  AND is_moderator(auth.uid())
+);
+
+-- Ride model versions
+CREATE POLICY "Moderators can delete test ride model versions"
+ON ride_model_versions
+FOR DELETE
+TO authenticated
+USING (
+  is_test_data = true 
+  AND is_moderator(auth.uid())
+);