Fix formatting in working-with-sql3-5.md

Remove extra newline before the section on database context.

Author: wadepickett

aspnetcore/tutorials/first-mvc-app/working-with-sql/includes/working-with-sql3-5.md

@@ -19,7 +19,6 @@ This tutorial uses a database you set up in the previous step: <xref:tutorials/f
 
 ## Working with the database context
 
-
 The `MvcMovieContext` object handles the task of connecting to the database and mapping `Movie` objects to database records. The database context is registered with the [Dependency Injection](xref:fundamentals/dependency-injection) container in the `ConfigureServices` method in the `Startup.cs` file:
 
 # [Visual Studio](#tab/visual-studio)