fix readme

Author: nadeemb53

README.md

@@ -39,17 +39,6 @@ yarn build
 
 This command generates static content into the `build` directory and can be served using any static contents hosting service.
 
-### Deployment
-
-Using SSH:
-```bash
-USE_SSH=true yarn deploy
-```
-
-Not using SSH:
-```bash
-GIT_USER=<Your GitHub username> yarn deploy
-```
 
 ## 📝 Contributing