Removes known issue from README (#22)

Removes the known issue section regarding potential SQL project startup timing issues, as it was fixed in CommunityToolkit's v13.

Author: samgibsonmoj

README.md

@@ -24,7 +24,3 @@ Any queries, please contact andrew.grocott@justice.gov.uk or visit our slack cha
 The recommended way to run and debug these apps is using .NET Aspire.
 - **Using Visual Studio Code**: open the project and press `F5`, selecting the *Default Configuration*.
 - **Using Visual Studio or other IDEs**: From the debug configuration dropdown, select `Aspire.AppHost` and start the application.
-
-### Known issues
-1. Due to a [known issue](https://github.com/CommunityToolkit/Aspire/issues/942) in the Aspire Community Toolkit, some SQL projects may start too early.
-    - You may need to re-run the project for database changes to apply correctly.