Remove Go implementation — ship is skills-only nowmain

The skills/ directory fully replaces the old Go CLI. Drop all Go
source, build files, planning docs, and the stale SECURITY.md
(which described the old git-user push-deploy model that no longer
exists). Trim .gitignore to match the new tree.

1 files changed, 0 insertions, 11 deletions

diff --git a/Makefile b/Makefile
deleted file mode 100644
index abab996..0000000
--- a/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-.PHONY: build install deploy-website
-
-build:
-        go build -o ./bin/ship ./cmd/ship
-
-install:
-        cp ./bin/ship /usr/local/bin/
-
-deploy-website:
-        ship website/ ship.northwest.io
-