Changes to List merchants

removed the optional property data/items/aliases from the response with the 200 status

removed the optional property data/items/categories from the response with the 200 status

removed the optional property data/items/created from the response with the 200 status

removed the optional property data/items/debt_merchant_aliases from the response with the 200 status

removed the optional property data/items/icon_url from the response with the 200 status

removed the optional property data/items/id from the response with the 200 status

removed the optional property data/items/is_deleted from the response with the 200 status

removed the optional property data/items/is_priority from the response with the 200 status

removed the optional property data/items/use_name_as_alias from the response with the 200 status

added the new debt.collections.mca enum value to the data/items/group_id response property for the response status 200

removed the optional write-only property data/items/category_codes from the response with the 200 status

removed the optional write-only property data/items/frequency from the response with the 200 status