chore: remove old docs deployment (#4626)

Author: KrzysztofMoch

.github/workflows/deploy-docs.yml

@@ -1,15 +1,3 @@
 # react-native-video-docs
 
-This is the documentation for the [react-native-video](github.com/TheWidlarzGroup/react-native-video).
-Project is using [bun](https://bun.sh) to build and run the documentation.
-Framework for static site generation is [Nextra](https://nextra.site/docs)
-
-```bash
-bun install
-```
-
-To run:
-
-```bash
-bun run dev
-```
+Documentation have been moved to [`v7`](https://github.com/TheWidlarzGroup/react-native-video/tree/v7/docs) branch. Any changes should be made there. Any changes to `v7` branch will be automatically deployed to [docs.thewidlarzgroup.com](https://docs.thewidlarzgroup.com/react-native-video). Changed made in `master` branch will be be ignored.