Comment out corpus-backup/make-public from cron.yaml (#2686)
Comment out corpus-backup/make-public from cron.yaml (#2686)

This shouldn't be default behaviour. 
Fixes #2684
google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz