Remove view displaying data form monthly_billing table

app/main/views/dashboard.py

@@ -141,37 +141,6 @@ def template_usage(service_id):
     )
 
 
-@main.route("/services/<service_id>/monthly-billing-usage")
-@login_required
-@user_has_permissions('manage_service')
-def monthly_billing_usage(service_id):
-    year, current_financial_year = requested_and_current_financial_year(request)
-
-    free_sms_allowance = billing_api_client.get_free_sms_fragment_limit_for_year(service_id, year)
-    units = billing_api_client.get_billable_units(service_id, year)
-    yearly_usage = billing_api_client.get_service_usage(service_id, year)
-
-    usage_template = 'views/usage.html'
-    if 'letter' in current_service['permissions']:
-        usage_template = 'views/usage-with-letters.html'
-    return render_template(
-        usage_template,
-        months=list(get_free_paid_breakdown_for_billable_units(
-            year,
-            free_sms_allowance,
-            units
-        )),
-        selected_year=year,
-        years=get_tuples_of_financial_years(
-            partial(url_for, '.monthly_billing_usage', service_id=service_id),
-            start=current_financial_year - 1,
-            end=current_financial_year + 1,
-        ),
-        **calculate_usage(yearly_usage,
-                          free_sms_allowance)
-    )
-
-
 @main.route("/services/<service_id>/usage")
 @login_required
 @user_has_permissions('manage_service')