GH-2534: remove unused slow tag

CONTRIBUTING.md

@@ -39,9 +39,3 @@ To run integration tests execute:
 pytest --runintegration tests/
 ```
 The integration tests will train small models.
-Afterwards, the trained model will be loaded for prediction.
-
-To also run slow tests, such as loading and using the embeddings provided by flair, you should execute:
-```bash
-pytest --runslow tests/
-```

pyproject.toml

@@ -16,5 +16,4 @@ exclude = '''
 addopts = "-W error"
 markers = [
     "integration",
-    "slow",
 ]

resources/docs/KOR_docs/README.md

@@ -205,9 +205,3 @@ pytest tests/
 pytest --runintegration tests/
 ```
 통합 테스트는 작은 모델을 훈련합니다.
-그 후에 예측을 위해 훈련된 모델이 로드됩니다.
-
-또한 flair에서 제공하는 임베딩을 로드하고 사용하는 것처럼 느린 테스트를 실행하려면 다음을 실행해야 합니다:
-```bash
-pytest --runslow tests/
-```

tests/conftest.py

@@ -28,9 +28,6 @@ def results_base_path(resources_path):
 
 
 def pytest_addoption(parser):
-    parser.addoption(
-        "--runslow", action="store_true", default=False, help="run slow tests"
-    )
     parser.addoption(
         "--runintegration",
         action="store_true",
@@ -40,15 +37,6 @@ def pytest_addoption(parser):
 
 
 def pytest_collection_modifyitems(config, items):
-    if config.getoption("--runslow") and config.getoption("--runintegration"):
-        return
-
-    if not config.getoption("--runslow"):
-        skip_slow = pytest.mark.skip(reason="need --runslow option to run")
-        for item in items:
-            if "slow" in item.keywords:
-                item.add_marker(skip_slow)
-
     if not config.getoption("--runintegration"):
         skip_integration = pytest.mark.skip(
             reason="need --runintegration option to run"