fix: defer fifo ayam migrations until seed exists

internal/database/migrations/20260304063215_fix_fifo_chickin_out.down.sql

@@ -1,9 +1,5 @@
 BEGIN;
 
-DELETE FROM fifo_stock_v2_route_rules
-WHERE flag_group_code = 'AYAM'
-  AND lane = 'USABLE'
-  AND function_code = 'CHICKIN_OUT'
-  AND source_table = 'project_chickins';
+-- no-op: moved to 20260306090012_fix_fifo_chickin_out_after_seed.down.sql
 
 COMMIT;