Further simplify empty project template (#32662)

Author: halter73

src/Http/samples/MinimalSample/Program.cs

@@ -2,7 +2,7 @@
 using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.Hosting;
 
-await using var app = WebApplication.Create(args);
+var app = WebApplication.Create(args);
 
 if (app.Environment.IsDevelopment())
 {
@@ -18,4 +18,4 @@
 string SayHello(string name) => $"Hello, {name}!";
 app.MapGet("/hello/{name}", (Func<string, string>)SayHello);
 
-await app.RunAsync();
+app.Run();

src/Http/samples/MinimalSampleFSharp/Program.fs

@@ -4,7 +4,7 @@ open Microsoft.Extensions.Hosting
 
 [<EntryPoint>]
 let main args =
-    use app = WebApplication.Create(args)
+    let app = WebApplication.Create(args)
 
     if app.Environment.IsDevelopment() then
         app.UseDeveloperExceptionPage() |> ignore

src/ProjectTemplates/Web.ProjectTemplates/content/EmptyWeb-CSharp/Program.cs

@@ -3,7 +3,7 @@
 using Microsoft.Extensions.Hosting;
 
 var builder = WebApplication.CreateBuilder(args);
-await using var app = builder.Build();
+var app = builder.Build();
 
 if (app.Environment.IsDevelopment())
 {
@@ -12,4 +12,4 @@
 
 app.MapGet("/", (Func<string>)(() => "Hello World!"));
 
-await app.RunAsync();
+app.Run();

src/ProjectTemplates/Web.ProjectTemplates/content/EmptyWeb-FSharp/Program.fs

@@ -5,7 +5,7 @@ open Microsoft.Extensions.Hosting
 [<EntryPoint>]
 let main args =
     let builder = WebApplication.CreateBuilder(args)
-    use app = builder.Build()
+    let app = builder.Build()
 
     if app.Environment.IsDevelopment() then
         app.UseDeveloperExceptionPage() |> ignore