TT#9850 drop foreign keys of billing.voip_intercept

since it can be written using a separate db connection,
pointing to a database that is not fully replicated,
foreign keys will cause failing inserts, updates etc.

Change-Id: I65108abdce1f5ad86b982adaf4d0d762fd0a634d

db_scripts/diff/15323.down

@@ -0,0 +1,4 @@
+USE billing;
+set autocommit=0;
+alter table voip_intercept add CONSTRAINT `vi_resellerid_ref` FOREIGN KEY (`reseller_id`) REFERENCES `resellers` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
+commit;

db_scripts/diff/15323.up

@@ -0,0 +1,4 @@
+USE billing;
+set autocommit=0;
+alter table voip_intercept drop foreign key `vi_resellerid_ref`;
+commit;