Firs MVC: Clarify the case for deleting data before running seed data initializer.

### Description

In the current lesson we are told to delete records from the database, but we never enter data. No even in the previous lesson "Add A Model" [https://learn.microsoft.com/en-us/aspnet/core/tutorials/first-mvc-app/adding-model?view=aspnetcore-9.0&tabs=visual-studio](url).

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### Page URL

https://learn.microsoft.com/en-us/aspnet/core/tutorials/first-mvc-app/working-with-sql?view=aspnetcore-9.0&tabs=visual-studio

### Content source URL

https://github.com/dotnet/AspNetCore.Docs/blob/main/aspnetcore/tutorials/first-mvc-app/working-with-sql.md

### Document ID

a0b5e15c-d747-8710-95fb-a55c09861a1e

### Platform Id

525d5c2f-a6e2-8c84-f05e-4d00c9d0f922

### Article author

@wadepickett

### Metadata

* ID: a0a4022c-7ef1-3c30-4f9d-cf521a57a44a
* PlatformId: 525d5c2f-a6e2-8c84-f05e-4d00c9d0f922
* Service: **aspnet-core**
* Sub-service: **tutorials**

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