really fix inapp notice constraint (bug 865134)

migrations/668-drop-inapp.sql

@@ -1,6 +1,6 @@
 DROP TABLE IF EXISTS addon_inapp_log;
-DROP TABLE IF EXISTS addon_inapp_payment;
 DROP TABLE IF EXISTS addon_inapp_notice;
+DROP TABLE IF EXISTS addon_inapp_payment;
 DROP TABLE IF EXISTS addon_inapp_image;
 DROP TABLE IF EXISTS bluevia;
 DROP TABLE IF EXISTS addon_bluevia;