Remove Arm64 build target

.github/workflows/build.yml

@@ -114,56 +114,6 @@ jobs:
         uses: codecov/codecov-action@v1
       - name: Prepare cache for storage
         run: sudo chown -R "$USER:$USER" "$HOME/docker-cache"
-  arm64:
-    runs-on: [ self-hosted, Linux, ARM64 ]
-    strategy:
-      matrix:
-        python-version: [ '3.11' ]
-    steps:
-      - uses: actions/checkout@v3
-      - name: Download docker image
-        run: docker pull dmoj/runtimes-tier3
-      - name: Create docker scripts
-        run: |
-          cat > run <<'EOF'
-          #!/bin/bash -e
-          cp -r /source /code
-          cd /code
-          curl -L "https://github.com/DMOJ/runtimes-python/releases/latest/download/python${{ matrix.python-version }}-aarch64.tar.gz" | tar -xz
-
-          export PYTHONUNBUFFERED=1
-          export LANG=C.UTF-8
-          export PYTHONIOENCODING=utf8
-          export PYTHON="/code/python${{ matrix.python-version }}/bin/python${{ matrix.python-version }}"
-
-          "$PYTHON" -m pip install --upgrade pip wheel
-          "$PYTHON" -m pip install cython coverage
-          "$PYTHON" -m pip install -e .[test]
-          chmod o+w .
-
-          code=0
-          runuser -u judge -w PATH /source/run-su || code=$?
-          cp /code/coverage.xml /source || true
-          exit "$code"
-          EOF
-
-          cat > run-su <<'EOF'
-          #!/bin/bash -e
-          . ~/.profile
-          cd /code
-          "$PYTHON" -m coverage run -m unittest discover dmoj/tests/
-          "$PYTHON" -m coverage run --append .docker.test.py
-          "$PYTHON" -m coverage combine
-          "$PYTHON" -m coverage xml
-          EOF
-
-          chmod a+x run run-su
-      - name: Execute tests in docker
-        run: |
-          docker run -e PYTHON_VERSION="${{ matrix.python-version }}" -v "$(pwd):/source" -v "$HOME/docker-cache:/root/.cache" \
-            --entrypoint=/usr/bin/tini --cap-add=SYS_PTRACE dmoj/runtimes-tier3 /source/run
-      - name: Upload coverage data
-        uses: codecov/codecov-action@v1
 
     # build the docker image the tests pass
   build: