Revert "'$ rails generate migration add_order_id_to_line_item order_id:integer', '$ rake db:migrate'"

This reverts commit 176bf513dfb5f4670a41a0666bed6b625241d0d4.
Revert "$ rails generate scaffold order name:string address: text email:string pay_type:string"

This reverts commit 283038abb1feb5a15ee4b6d1ad40f6f941c1e629.