Remove iOS dependency caches

The Hermit and pub caches are a wash on macOS, so remove them from Mobile iOS Build. This returns 2.2 GiB to the 31.6 GB shared cache pool.

Co-authored-by: npub12wpjffj7q5qjsky5jvk4ldwlxmse5xll3d8gytk4wqd0c5y7jvwspg37n6 <538324a65e0501285894932d5fb5df36e19a1bff8b4e822ed5701afc509e931d@buzz.block.builderlab.xyz>
Signed-off-by: npub12wpjffj7q5qjsky5jvk4ldwlxmse5xll3d8gytk4wqd0c5y7jvwspg37n6 <538324a65e0501285894932d5fb5df36e19a1bff8b4e822ed5701afc509e931d@buzz.block.builderlab.xyz>

.github/workflows/ci.yml

@@ -859,34 +859,6 @@ jobs:
     steps:
       - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
       - uses: cashapp/activate-hermit@cea9af7913204a965fd488637a8d1811bba2e616 # v1
-      - name: Compute Hermit cache key
-        id: hermit-bin-hash
-        run: |
-          hash="$(find ./bin ! -type d | sort | xargs openssl sha256 | openssl sha256 -r | cut -d' ' -f1)"
-          echo "hash=$hash" >> "$GITHUB_OUTPUT"
-      - name: Restore Hermit package cache
-        id: hermit-cache
-        uses: actions/cache/restore@caa296126883cff596d87d8935842f9db880ef25 # v5
-        with:
-          path: ~/Library/Caches/hermit/pkg
-          key: ${{ runner.os }}-hermit-cache-${{ steps.hermit-bin-hash.outputs.hash }}
-          restore-keys: ${{ runner.os }}-hermit-cache-
-      - name: Prime Flutter SDK
-        run: flutter --version
-      - name: Save Hermit package cache
-        if: always() && steps.hermit-cache.outputs.cache-hit != 'true'
-        uses: actions/cache/save@caa296126883cff596d87d8935842f9db880ef25 # v5
-        continue-on-error: true
-        with:
-          path: ~/Library/Caches/hermit/pkg
-          key: ${{ runner.os }}-hermit-cache-${{ steps.hermit-bin-hash.outputs.hash }}
-      - name: Restore pub cache
-        id: pub-cache
-        uses: actions/cache/restore@caa296126883cff596d87d8935842f9db880ef25 # v5
-        with:
-          path: ~/.pub-cache
-          key: pub-${{ runner.os }}-${{ hashFiles('mobile/pubspec.lock') }}
-          restore-keys: pub-${{ runner.os }}-
       - name: Install locked CocoaPods
         shell: bash
         run: |
@@ -934,13 +906,6 @@ jobs:
           fi
       - name: Install dependencies
         run: cd mobile && flutter pub get
-      - name: Save pub cache
-        if: always() && steps.pub-cache.outputs.cache-hit != 'true'
-        uses: actions/cache/save@caa296126883cff596d87d8935842f9db880ef25 # v5
-        continue-on-error: true
-        with:
-          path: ~/.pub-cache
-          key: pub-${{ runner.os }}-${{ hashFiles('mobile/pubspec.lock') }}
       - name: Build unsigned iOS debug app
         run: just mobile-build-ios
       - name: Verify CocoaPods lockfile is unchanged