Revert default options string in db migration

Author: hoffmaen

db/migrations/20241105000000_add_options_to_route.rb

@@ -1,7 +1,7 @@
 Sequel.migration do
   up do
     alter_table(:routes) do
-      add_column :options, String, text: true, default: "{}"
+      add_column :options, String, text: true
     end
   end
   down do