drop staple test

.github/workflows/ci.yml

@@ -110,28 +110,3 @@ jobs:
       - name: Check the cache for liveness
         run: |
           .github/workflows/cache-test.sh
-
-  run-x86_64-linux-staple:
-    name: Run x86_64 Linux (staple)
-    runs-on: ubuntu-22.04
-    permissions:
-      id-token: "write"
-      contents: "read"
-    env:
-      ACTIONS_STEP_DEBUG: true
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@main
-        with:
-          flakehub: true
-          extra-conf: |
-            narinfo-cache-negative-ttl = 0
-      - name: Cache the store
-        uses: ./
-        with:
-          source-pr: 61
-      - name: goodbye
-        run: |
-          kill "$(cat "$MAGIC_NIX_CACHE_DAEMONDIR/daemon.pid")"
-          nix-build .github/workflows/cache-tester.nix --argstr seed "$(date)"