Remove integration test

Author: dongjoon-hyun

.github/workflows/build_and_test.yml

@@ -83,23 +83,6 @@ jobs:
     - name: Test
       run: swift test --no-parallel
 
-  integration-test-linux-arm:
-    runs-on: ubuntu-24.04-arm
-    services:
-      spark:
-        image: apache/spark:4.0.0-preview2
-        env:
-          SPARK_NO_DAEMONIZE: 1
-        ports:
-          - 15002:15002
-        options: --entrypoint /opt/spark/sbin/start-connect-server.sh
-    steps:
-    - uses: actions/checkout@v4
-    - name: Test
-      run: |
-        docker run swift:6.1 uname -a
-        docker run -v $PWD:/orc -w /orc swift:6.1 swift test --no-parallel
-
   integration-test-mac:
     runs-on: macos-15
     steps: