remove workflow

.github/workflows/server-tests.yaml

@@ -1,30 +0,0 @@
-name: Server tests
-
-on:
-  pull_request:
-    paths:
-      - ".github/workflows/server-tests.yaml"
-      - "server/**"
-
-jobs:
-  run_tests:
-    runs-on: ubuntu-20.04
-    steps:
-      - uses: actions/checkout@v2
-      - name: Set up Python
-        uses: actions/setup-python@v1
-        with:
-          python-version: 3.9
-      - name: Loading cache.
-        uses: actions/cache@v2
-        id: model_cache
-        with:
-          path: ~/.cache/huggingface/
-          key: models
-      - name: Install dependencies
-        run: |
-          make install-server
-          pip install pytest
-      - name: Run tests (shard)
-        run: |
-          pytest -sv server/tests