use macro in charges

models/staging/stripe/stg_stripe__charges.sql

@@ -1,20 +1,5 @@
 with
-    raw_charges as (
-        /*
-        This macro runs for every country code and:
-          - Reads from the right source (stripe_<country-code>)
-          - Adds a column identifying the source account with a string like "stripe_<country>_account"
-        */
-        {% set countries = ["us", "uk"] %}
-
-        {% for country in countries %}
-            select *, 'stripe_{{ country }}_account' as stripe_source_account
-            from {{ source("stripe_" ~ country, "charges") }}
-            {% if not loop.last -%}
-                union all
-            {%- endif %}
-        {% endfor %}
-    ),
+    raw_charges as ({{ generate_stripe_sources_unioned_select("charges") }}),
     stg_seed__currencies as (select * from {{ ref("stg_seed__currencies") }}),
     stg_stripe__charges as (
         select