Remove GitHub workflow metadata

ober

b5af8643195f2da7095f2019797d8f0df55c853d

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
deleted file mode 100644
index df59fe5..0000000
--- a/.github/workflows/ci.yml
+++ /dev/null
@@ -1,43 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches: [main, master]
-  pull_request:
-  workflow_dispatch:
-
-permissions:
-  contents: read
-
-env:
-  JERBOA_VERSION: v0.2.3
-  JERBUILD: ${{ github.workspace }}/.jerboa/bin/jerbuild
-  JERBOA_SSL_REPO: https://git.sr.ht/~lisp/jerboa-ssl
-  JERBOA_MAIL_REPO: https://git.sr.ht/~lisp/jerboa-mail
-  JERBOA_SSL_DIR: ${{ github.workspace }}/.deps/jerboa-ssl
-  JERBOA_MAIL_DIR: ${{ github.workspace }}/.deps/jerboa-mail
-
-jobs:
-  build-and-test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
-
-      - name: Install system tools
-        run: |
-          set -eu
-          sudo apt-get update
-          sudo apt-get install -y --no-install-recommends build-essential git curl ca-certificates libssl-dev
-
-      - name: Install Jerboa toolchain
-        run: sh support/ensure-jerboa.sh "$JERBOA_VERSION" .jerboa/bin support/jerboa-toolchain.lock
-
-      - name: Fetch dependencies
-        run: |
-          set -eu
-          mkdir -p .deps
-          support/locked-dependency.sh fetch dependencies.lock jerboa-ssl "$JERBOA_SSL_DIR"
-          support/locked-dependency.sh fetch dependencies.lock jerboa-mail "$JERBOA_MAIL_DIR"
-
-      - name: Release evidence
-        run: make release-evidence
diff --git a/.github/workflows/security-baseline.yml b/.github/workflows/security-baseline.yml
deleted file mode 100644
index 2a3187b..0000000
--- a/.github/workflows/security-baseline.yml
+++ /dev/null
@@ -1,38 +0,0 @@
-name: Security Baseline
-
-on:
-  push:
-    branches: [main, master]
-  pull_request:
-  workflow_dispatch:
-
-permissions:
-  contents: read
-
-jobs:
-  baseline:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
-
-      - name: Required release files
-        run: |
-          set -eu
-          test -f LICENSE
-          test -f SECURITY.md
-          test -f .gitignore
-          find . -maxdepth 1 -iname "README*" -type f | grep -q .
-
-      - name: High-confidence secret scan
-        run: |
-          set -eu
-          pattern="(BEGIN (RSA|OPENSSH|EC|DSA|PRIVATE) KEY|ghp_[A-Za-z0-9_]{20,}|github_pat_[A-Za-z0-9_]{20,}|sk-(ant-api03|proj|svcacct)-[A-Za-z0-9_-]{30,}|AKIA[0-9A-Z]{16})"
-          matches="$(git grep -n -I -E "$pattern" -- . ":!*.png" ":!*.jpg" ":!*.jpeg" ":!*.gif" ":!*.so" ":!*.dylib" ":!*.o" ":!*.a" ":!*.boot" ":!*.tar.gz" || true)"
-          if [ -n "$matches" ]; then
-            echo "$matches"
-            echo "High-confidence secret pattern found."
-            exit 1
-          fi
-
-      - name: Security policy regression gate
-        run: make security