fix: Remove platform_id_source from harmonization INSERT

Production DB doesn't have this column - removing to allow creates.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/src/scripts/harmonize-az-dispensaries.ts

@@ -222,14 +222,14 @@ async function createDispensary(
        menu_url, menu_type, address, postal_code, latitude, longitude,
        is_delivery, is_pickup, phone,
        dutchie_verified, dutchie_verified_at,
-       crawl_enabled, platform_id_source, platform_id_verified_at,
+       crawl_enabled,
        created_at, updated_at
      ) VALUES (
        $1, $2, $3, $4, 'dutchie', $5,
        $6, 'dutchie', $7, $8, $9, $10,
        $11, $12, $13,
        true, NOW(),
-       true, 'dutchie_harmonization', NOW(),
+       true,
        NOW(), NOW()
      )
      ON CONFLICT (slug) DO UPDATE SET