Docs: neutralize dataset card (CHANGELOG.md)

CHANGELOG.md

@@ -1,15 +1,9 @@
-## v2.2 rebrand + Zenodo mirror — 2026-07-06
+## v2.2 rebrand — 2026-07-06
 
 - **Dataset rebranded** from *EnvShip-Bench v2* to
   **MARIS-Forecast** — *A multi-region AIS trajectory dataset with
   temporally aligned maritime context for vessel trajectory
-  forecasting.* Positioned for submission to *Scientific Data*.
-- **Zenodo mirror** published at
-  [10.5281/zenodo.21224009](https://doi.org/10.5281/zenodo.21224009).
-  Files packaged as 9 tarballs (one per subset per track + one for
-  docs/scripts/checkpoints/meteo_features) totalling 45.71 GB. HF
-  release and Zenodo record are bit-for-bit identical.
-- Primary citation and CITATION.cff URL now point to Zenodo.
+  forecasting.*
 
 # Changelog
 
@@ -119,7 +113,7 @@ dataset was simplified to **one directory per (subset, track)**:
 
 ### New files
 
-- `LICENSE`, `NOTICE.md`, `DATA_CARD.md`, `CITATION.cff`, `SUMMARY_v2.md`
+- `LICENSE`, `NOTICE.md`, `DATA_CARD.md`, `SUMMARY_v2.md`
 - `Piraeus_ship_trajectory_datasets/LICENSE` (CC BY 4.0)
 - `norway_ship_trajectory_datasets/LICENSE` (NLOD 2.0)
 - `NOAA_ship_trajectory_datasets/LICENSE` (US public domain notice)
@@ -137,7 +131,7 @@ dataset was simplified to **one directory per (subset, track)**:
   — Original benchmark rows with 4 extra flag columns.
 - `multi_type_mini_bench_build/standard_track_v1_filtered/`
   — Subset where `osm_temporal_consistent = true`. **Recommended
-  default for paper main tables.**
+  default.**
 
 ### Piraeus-only