Remove unnecessary migrations in integration tests

tests/WebApi.Tests.Integration/WebAppFactory.cs

@@ -33,10 +33,6 @@ public sealed class WebAppFactory : WebApplicationFactory<IWebApiMarker>, IAsync
 		// Force application startup (i.e. initialization and validation)
 		_ = CreateClient();
 
-		using var scope = Services.CreateScope();
-		await using var dbContext = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-		await dbContext.Database.MigrateAsync();
-
 		_postgresRespawner = await PostgresRespawner.CreateAsync(_database.GetConnectionString());
 	}