update releasing docs

Author: f2prateek

RELEASING.md

@@ -7,6 +7,3 @@ Releasing
  4. `git tag -a X.Y.Z -m "Version X.Y.Z"` (where X.Y.Z is the new version)
  5. `git push && git push --tags`
  6. `pod trunk push Segment-Flurry.podspec --allow-warnings`
- 7. Update the version `Segment-Flurry.podspec` to the next beta version.
- 8. `git commit -am "Prepare next development version."`
- 9. `git push`