Remove duplicate license badge

Removed duplicate license badge from readme.md

Author: ChrisMcKee

readme.md

@@ -4,12 +4,9 @@
 > The main code, documentation and website refer to V5 which is being prepared for release
 
 [![Documentation](https://img.shields.io/badge/Documentation-Online-blue.svg?style=flat-square)](https://bcryptnet.chrismckee.uk/)
-
 [![NuGet](https://img.shields.io/nuget/v/BCrypt.Net-Next.svg?style=flat-square)](https://www.nuget.org/packages/BCrypt.Net-Next)
-
 ![GitHub Actions Workflow Status](https://img.shields.io/github/actions/workflow/status/BcryptNet/bcrypt.net/.github%2Fworkflows%2Fcodeql-analysis.yml)
-
-[![License](https://img.shields.io/github/license/BcryptNet/bcrypt.net.svg?style=flat-square)]
+![License](https://img.shields.io/github/license/BcryptNet/bcrypt.net.svg?style=flat-square)
 
 ## Description