Archive old migrations (#426)

* Archive old migrations

* Fix invalid placement of migrations

migrations/archive/000.408.sql

@@ -0,0 +1,5 @@
+delete from redirects where source_uri like 'white-orchid-platinum-%';
+delete from redirects where source_uri like 'white-orchid-metal-%' and source_uri not like 'white-orchid-metal-gr%';
+delete from redirects where source_uri like 'white-orchid-silver-%';
+delete from redirects where source_uri like 'essential-dandelions-sand-%';
+delete from redirects where source_uri like 'essential-dandelions-stone-%';