docs(licensing): remove ODbL attribution requirements and HUD credit references

Drop the OpenStreetMap/ODbL attribution requirement, the Google imagery rule,
and the related F-4 requirement, risk R-4, release check, and TODO items across
AGENTS, PLAN, ROADMAP, README, setup, architecture sections, and manifests.
OSM data is now documented as local private use only. Also normalize
numbered-list indentation in the architecture docs.

Geo/manifests/local-origin.md

@@ -69,5 +69,4 @@ Unreal's own axes differ (X forward, Y right, Z up). If a level rotates the impo
 
 ## Obligations
 
-- Any OSM-derived output keeps "© OpenStreetMap contributors" and the licence link. See `THIRD_PARTY_NOTICES.md`.
 - Elevation data, when chosen, must be reprojected into EPSG:26911 with the origin above, and its vertical datum recorded (NAVD88 is the expected one for US sources; ellipsoidal heights are not interchangeable).