The possibility to add products with different prices is not used yet

Let's make mutant happy for now, and don't use this feature yet

Author: porbas

ecommerce/processes/.mutant.yml

@@ -16,5 +16,4 @@ matcher:
     - Processes::SyncShipmentFromPricing*
     - Processes::SyncInventoryFromOrdering*
     - Processes::NotifyPaymentsAboutOrderValue*
-    - Processes::ThreePlusOneFree*
     - Processes::DetermineVatRatesOnOrderPlaced*

ecommerce/processes/lib/processes/three_plus_one_free.rb

@@ -24,7 +24,7 @@ def apply(event)
         state.with(lines:, eligible_free_product: eligible_free_product(lines))
       when Pricing::PriceItemRemoved
         lines = state.lines
-        index_of_line_to_remove = lines.index { |line| line.fetch(:product_id) == product_id && line.fetch(:price) == event.data.fetch(:price) }
+        index_of_line_to_remove = lines.index { |line| line.fetch(:product_id) == product_id }
         lines.delete_at(index_of_line_to_remove)
         state.with(lines:, eligible_free_product: eligible_free_product(lines))
       when Pricing::ProductMadeFreeForOrder