Fixes #174

Author: simonkurtz-MSFT

docs/aca/05-aca-dapr-pubsubapi/Program-dotnet9.cs

@@ -3,7 +3,6 @@
 // Add services to the container.
 
 builder.Services.AddControllers().AddDapr();
-builder.Services.AddControllers();
 // Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
 builder.Services.AddOpenApi();