Update Project roadmap

Project-roadmap.md

@@ -12,7 +12,6 @@
     - Make the Edit/Display button more visible and central and pretty
     - Some of the questions could be clearer, such as on rights
 * Rule publication
-    - Start with a simple Publish button that creates a pretty export, perhaps to PDF or HTML
     - Enable users to publish, share, and fork their Rule
     - Could it output to IPFS or some other persisitent storage medium?
 * Rules (ready-to-deploy presets)