Update README.md

Author: yaapu

README.md

@@ -17,7 +17,6 @@ Supports:
 **Downloading**
 - **the latest release versions are downloadable from the [releases](https://github.com/yaapu/FrskyTelemetryScript/releases) section** 
 - **the latest versions are downloadable from the [clone/download](https://github.com/yaapu/FrskyTelemetryScript/archive/master.zip) button of the [master branch](https://github.com/yaapu/FrskyTelemetryScript/tree/master)** 
-- **the latest dev/experimental versions are downloadable from the [clone/download](https://github.com/yaapu/FrskyTelemetryScript/archive/dev.zip) button of the [dev branch](https://github.com/yaapu/FrskyTelemetryScript/tree/dev)** 
 
 ## Support this project!