message: Remove DEVELOPMENT build from README.md
diff: [![Discord](https://img.shields.io/discord/382306806866771978.svg?colorB=7289DA&label=Discord&logo=Discord&logoColor=7289DA&style=flat-square)](https://discord.gg/hxTt8Fr)
  -# NWNX:EE (build 8193.23 - v83 - DEVELOPMENT build)
  +# NWNX:EE (build 8193.23 - v83)
  - Latest release: [build8193.23-HEAD](https://github.com/nwnxee/unified/releases/latest) - [Changelog](https://github.com/nwnxee/unified/blob/master/CHANGELOG.md#819323-HEAD)
  - Docker tag: `nwnxee/unified:latest`
  