remove toolkit cache [no ci]

.github/workflows/build-self-hosted.yml

@@ -222,15 +222,7 @@ jobs:
         id: checkout
         uses: actions/checkout@v6
 
-      - name: Use OpenVINO Toolkit Cache
-        uses: actions/cache@v5
-        id: cache-openvino
-        with:
-          path: ./openvino_toolkit
-          key: openvino-toolkit-v${{ env.OPENVINO_VERSION_FULL }}-${{ runner.os }}
-
       - name: Setup OpenVINO Toolkit
-        if: steps.cache-openvino.outputs.cache-hit != 'true'
         uses: ./.github/actions/linux-setup-openvino
         with:
           path: ./openvino_toolkit