.github: drop fakedroid-odt workflow

.github/workflows/fakedroid-odt.yml

@@ -1,58 +0,0 @@
-name: Run on-device-tests with fakedroid
-on:
-  pull_request:
-  push:
-  schedule:
-    - cron: 0 0 * * 1
-jobs:
-  fakedroid-odt-channel:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Install nix
-        uses: cachix/install-nix-action@v25
-
-      - name: Setup cachix
-        uses: cachix/cachix-action@v14
-        with:
-          name: nix-on-droid
-          signingKey: "${{ secrets.CACHIX_SIGNING_KEY }}"
-
-      - name: Initialize fakedroid for channel setup
-        run: nix run --impure .#fakedroid -- echo INIT
-
-      - name: Run tests
-        run: |
-          nix run --impure .#fakedroid -- mkdir -p .cache/nix-on-droid-self-test
-          nix run --impure .#fakedroid -- touch .cache/nix-on-droid-self-test/confirmation-granted
-          nix run --impure .#fakedroid -- nix-on-droid on-device-test
-
-      - name: Push to cachix
-        if: always() && github.event_name != 'pull_request'
-        run: nix run --impure .#fakedroid -- nix-shell -p cachix --run 'nix --extra-experimental-features nix-command path-info --all | cachix push nix-on-droid'
-
-  fakedroid-flakes:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Install nix
-        uses: cachix/install-nix-action@v25
-
-      - name: Setup cachix
-        uses: cachix/cachix-action@v14
-        with:
-          name: nix-on-droid
-          signingKey: "${{ secrets.CACHIX_SIGNING_KEY }}"
-
-      - name: Initialize fakedroid for flake setup
-        run: USE_FLAKE=1 nix run --impure .#fakedroid -- echo INIT
-
-      - name: Push to cachix
-        if: always() && github.event_name != 'pull_request'
-        run: nix run --impure .#fakedroid -- nix-shell -p cachix --run 'nix --extra-experimental-features nix-command path-info --all | cachix push nix-on-droid'