Clean up obsolete docs and binaries

Removed:
- GIT_AND_GOMOD_PLAN.md (old planning)
- PLAN_v0.2.0.md (old planning)
- PROGRESS.md (v2 progress tracking, complete)
- TODO.md (all items fixed)
- ship-new binary (added to gitignore)

1 files changed, 0 insertions, 0 deletions

diff --git a/ship-new b/ship-new
deleted file mode 100755
index 28b9780..0000000
--- a/ship-new
+++ /dev/null