SyncBot: Update Discourse account setup documentation
SyncBot: Update Discourse account setup documentation

* Removed outdated workflow, left accurate workflow.
* Related convo: https://www.flowdock.com/app/rulemotion/user_happiness/threads/NNC48DPT8UcEkqfu_M7vIEI3Qln

Change-Type: patch

resin-io-modules/resin-procbots,resin-io-modules/resin-procbots,resin-io-modules/resin-procbots