Remove dev instructions

Author: kolomied

README.md

@@ -4,10 +4,6 @@
 
 A simple CDK seeder for SQL Server RDS databases.
 
-## Prerequisites for local development
- - Install PowerShell Core https://docs.microsoft.com/en-us/powershell/scripting/install/installing-powershell?view=powershell-7
- - Install https://www.powershellgallery.com/packages/AWSLambdaPSCore/2.0.0.0
- 
 ## Usage
 
 ```typescript