Merge pull request #13 from bucketeer-io/docs-patch-1

docs: update README.md

Author: nnnkkk7

README.md

@@ -157,12 +157,9 @@ make test
 export API_KEY="YOUR_API_KEY"
 export API_ENDPOINT="YOUR_API_ENDPOINT"
 export TAG="YOUR_FEATURE_TAG" # optional
-export SCHEME="https" # optional
 make e2e
 ```
 
-For more details, see the [E2E Test README](./test/e2e/README.md).
-
 ## Contributing
 
 We would ❤️ for you to contribute to Bucketeer and help improve it! Anyone can use and enjoy it!