remove legacy zombienet tests (#1255)

.github/workflows/release.yml

@@ -157,54 +157,6 @@ jobs:
         name: shibuya-evm-tracing-runtime
         path: target/x86_64-unknown-linux-gnu/release/wbuild/shibuya-runtime/shibuya_evm_tracing_runtime.compact.compressed.wasm
 
-  rpc-tests:
-    needs: native-linux
-    runs-on: [self-hosted, Linux, X64]
-    strategy:
-      matrix:
-        network: [astar, shiden]
-
-    steps:
-    - name: Checkout the source code
-      uses: actions/checkout@v3
-
-    - run: mkdir -p rpc-tests/bin
-
-    - name: Download pre-built linux collator binary
-      uses: actions/download-artifact@v3
-      with:
-        name: astar-ubuntu-latest-x86_64
-
-    - name: Make binary executable and copy it to rpc tests folder
-      run: chmod +x astar-collator && cp astar-collator rpc-tests/bin/astar-collator
-
-    - name: Copy polkadot relay chain binary
-      run: |
-        wget https://github.com/paritytech/polkadot/releases/download/v0.9.37/polkadot
-        chmod +x ./polkadot
-        mv polkadot rpc-tests/bin/polkadot
-
-    - name: Copy zombinet testing binary
-      run: |
-        wget https://github.com/paritytech/zombienet/releases/download/v1.3.63/zombienet-linux-x64
-        chmod +x ./zombienet-linux-x64
-        mv zombienet-linux-x64 rpc-tests/bin/zombienet-linux-x64
-
-    - name: Use Node.js 18.x
-      uses: actions/setup-node@v2
-      with:
-        node-version: 18.x
-
-    - name: Install yarn
-      run: |
-        npm install -g yarn
-        yarn install
-      working-directory: ./rpc-tests
-
-    - name: Run tests
-      run: yarn test
-      working-directory: ./rpc-tests
-
   native-macos:
     needs: checks-and-tests
     runs-on: macos-latest