How can we remove the Stage Bar in Deals?

The Stage Bar is great, awesome, unfortunately any person can change to any stage without criteria verification. We are using another awesome Zoho CRM feature for this "Blueprints". We can at least verify some fields are right before changing to some Stages. Now we need to hide the Stage Bar. It helps 0 zero to keep it there. How can we get this done?

Creating a custom module for "Deals"? Can Leads be converted to a custom module?