Revert "Add fiscal-year uprating planning docs page (#1437 #1436) (#1716)" (#1745)

* Revert "Add fiscal-year uprating planning docs page (#1437 #1436) (#1716)"

This reverts commit c51a8d6.

* Add changelog entry for #1716 revert

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: vahid-ahmadi

changelog.d/1437-revert.md

@@ -0,0 +1 @@
+- Revert the fiscal-year uprating planning docs page (#1716) per maintainer request.