Fix compiler warnings for unused variables

src/Services/Ordering/Ordering.API/Application/Commands/CreateOrderDraftCommandHandler.cs

@@ -7,17 +7,6 @@ using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.Order
 public class CreateOrderDraftCommandHandler
     : IRequestHandler<CreateOrderDraftCommand, OrderDraftDTO>
 {
-    private readonly IOrderRepository _orderRepository;
-    private readonly IIdentityService _identityService;
-    private readonly IMediator _mediator;
-
-    // Using DI to inject infrastructure persistence Repositories
-    public CreateOrderDraftCommandHandler(IMediator mediator, IIdentityService identityService)
-    {
-        _identityService = identityService ?? throw new ArgumentNullException(nameof(identityService));
-        _mediator = mediator ?? throw new ArgumentNullException(nameof(mediator));
-    }
-
     public Task<OrderDraftDTO> Handle(CreateOrderDraftCommand message, CancellationToken cancellationToken)
     {
 
@@ -32,7 +21,6 @@ public class CreateOrderDraftCommandHandler
     }
 }
 
-
 public record OrderDraftDTO
 {
     public IEnumerable<OrderItemDTO> OrderItems { get; init; }

src/Services/Webhooks/Webhooks.API/IntegrationEvents/ProductPriceChangedIntegrationEventHandler.cs

@@ -2,8 +2,8 @@
 
 public class ProductPriceChangedIntegrationEventHandler : IIntegrationEventHandler<ProductPriceChangedIntegrationEvent>
 {
-    public async Task Handle(ProductPriceChangedIntegrationEvent @event)
+    public Task Handle(ProductPriceChangedIntegrationEvent @event)
     {
-        int i = 0;
+        return Task.CompletedTask;
     }
 }