chore: remove stray tracked commits.txt (git log dump)

TODO.md

@@ -7,7 +7,6 @@
 
 ## Pending
 - [ ] #test-env-deploy-code-chown-regression test-env deploy-code --chown regression documented in README --context test-env
-- [ ] #decide-fate-of-stray [!low] Decide fate of stray tracked commits.txt (6268-line git log dump) — Fate: left tracked; out of scope for history cleanup
 - [ ] #history-cleanup-66-commits [!medium] History cleanup: 66 commits squashed to 29 on top of main; pre-squash backup at refs/backup/pre-squash-tip (tree 8649514e) + git bundle /tmp/xamxam-presquash.bundle
 
 ## Completed
@@ -71,6 +70,7 @@
 - [x] #backup-branch-from-current [!high] Backup branch from current state (backup/pre-history-cleanup)
 - [x] #squash-main-history-into [!high] Squash main..@ history into logical commits — Groups: (1) session-timeout+GC; (2) env/provision+docs; (3) coverage/accents; (4) cover-images; (5) admin-cleanup-page; (6) test-env+deploy; (7) admin-index-css; (8) toc; (9) misc features; (10) migrations/justfile/biome. Fold TODO-only commits. Keep postlaunch intact.
 - [x] #verify-final-tree-identical [!medium] Verify final tree identical to backup
+- [x] #decide-fate-of-stray [!low] Remove stray tracked commits.txt (6268-line git log dump) — Removed; no code references it
 
 ## Deferred / Blocked
 - [ ] #just-setup-backs-a [!medium] just setup backs a stale setup-dev.sh (clones php-live-reload, legacy admin/data/ dirs) — needs rewrite or removal