Remove SSH Key instructions for Hubot wiring
Remove SSH Key instructions for Hubot wiring

Hubot ChatOps plugin is now OSS. This PR removes the necessity to define SSH keys to download a private repository.
lattwood/st2workroom,lattwood/st2workroom,lattwood/st2workroom,StackStorm/st2workroom,StackStorm/st2workroom,StackStorm/st2workroom