Chopping vitasdk modules I don't need

.github/workflows/build-helloworld-vita.yml

@@ -12,7 +12,15 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
+      # - name: Cache VITASDK
+      #   id: cache-vitasdk
+      #   uses: actions/cache@v3
+      #   with:
+      #     path: ${VITASDK}
+      #     key: ${{ runner.os }}-vitasdk
+
       - name: Install Vita Toolchain
+        # if: steps.cache-vitasdk.outputs.cache-hit != 'true'
         run: ./ci/install-vita-toolchain.sh
 
       - name: Install Libraries