remove avd caching to try to speed up integration testing (#2156)

.github/workflows/validate.yml

@@ -166,29 +166,9 @@ jobs:
           cache-key: 'flutter-:os:-:channel:-:version:-:arch:-:hash:'
       - name: Install Tools
         run: ./.github/workflows/scripts/install-tools.sh
-      - name: AVD cache
-        uses: actions/cache@v3
-        id: avd-cache
-        with:
-          path: |
-            ~/.android/avd/*
-            ~/.android/adb*
-          key: avd-29
-      - name: Create AVD and generate snapshot for caching
-        if: steps.avd-cache.outputs.cache-hit != 'true'
-        uses: reactivecircus/android-emulator-runner@v2
-        with:
-          api-level: 29
-          force-avd-creation: false
-          emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
-          disable-animations: false
-          script: echo "Generated AVD snapshot for caching."
       - uses: reactivecircus/android-emulator-runner@v2
         with:
           api-level: 29
-          force-avd-creation: false
-          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
-          disable-animations: true
           script: melos run test:integration
   integration_tests_ios:
     name: Run integration tests (iOS)