message: change git commit note
diff: @@ -7,8 +7,7 @@ sub-folder is for a different project of the Working Group and has its own code
  ## Git Notes
  -Now that we're part of hyperledger-labs, please create a branch of the hyperledger-labs master branch. Make sure you sign off all your commits. This can be done with
  +Please sign off all your commits. This can be done with
  $ git commit -s -m "your message"
  -Then create pull requests to the hyperledger-labs master branch.
  