[BUG][ASPNETCORE] README.md is outdated

[MisinformedDNA]

Bug Report Checklist

• Have you provided a full/minimal spec to reproduce the issue?
• Have you validated the input using an OpenAPI validator?
• Have you tested with the latest master to confirm the issue still exists?
• Have you searched for related issues/PRs?
• What's the actual output vs expected output?
• [Optional] Sponsorship to speed up the bug fix or feature request (example)

Description

Generating a server with aspnetcore results in the creation of a README.md that is very outdated.

openapi-generator version

7.10.0

Suggest a fix

Remove or update the README.md at the project/wwwroot level.