docs(roadmap): use an image for now (#1894)

docs/enrollment-pathways/README.md

@@ -16,45 +16,7 @@ See our [Milestones][milestones] for current work tracked against specific featu
 
 See our Product Roadmap for more information on planned feature development and prioritization.
 
-```mermaid
-timeline
----
-title: Cal-ITP Benefits Product Roadmap
-----
-%% Cal-ITP Benefits Epics (2024)
-          section 2024
-
-          Q1<br>Now
-          : Benefits admin tool (Foundation)
-        %%: SacRT - Launch Older Adults enrollment pathway
-          : SBMTD - Launch Mobility Pass enrollment pathway
-          : Release low-income riders enrollment pathway
-          : Migrate to Littlepay Backoffice API
-
-          Q2<br>Next
-          : Benefits admin tool (Agency configuration)
-          : Release enhancements to Veterans pathway
-          : Support for expiring benefits (low-income)
-
-          Q3<br>Planned
-          : Benefits admin tool (Agency users)
-          : Benefits admin tool (In-person eligibility verification)
-          : Release Medicare cardholder enrollment pathway
-
-          Q4<br>Planned
-          : Release riders with disabilities enrollment pathway
-
-%% Cal-ITP Benefits Epics (2025)
-          section 2025
-
-          Q1
-          : Support benefits reciprocity between CA transit agencies
-          : Implement evolved organizing principles for app UX
-
-          Q2
-          : Support for multiple payment processors
-          : Integration with all MSA payment processors
-```
+![Cal-ITP Benefits Product Roadmap](img/roadmap.png)
 
 [board]: https://github.com/orgs/cal-itp/projects/8/views/1
 [milestones]: https://github.com/cal-itp/benefits/milestones