Remove buyer from store messages (#11230)

Content.Shared/Store/ListingCondition.cs

@@ -17,7 +17,7 @@ public abstract class ListingCondition
     public abstract bool Condition(ListingConditionArgs args);
 }
 
-/// <param name="Buyer">The person purchasing the listing</param>
-/// <param name="Listing">The liting itself</param>
+/// <param name="Buyer">Either the account owner, user, or an inanimate object (e.g., surplus bundle)</param>
+/// <param name="Listing">The listing itself</param>
 /// <param name="EntityManager">An entitymanager for sane coding</param>
 public readonly record struct ListingConditionArgs(EntityUid Buyer, EntityUid? StoreEntity, ListingData Listing, IEntityManager EntityManager);