Remove the deprecated `pl.strategies.utils.on_colab_kaggle` function (#16437)

src/pytorch_lightning/CHANGELOG.md

@@ -67,6 +67,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
   * env_prefix
   * env_parse
 
+- Removed the deprecated `pl.strategies.utils.on_colab_kaggle` function ([#16437](https://github.com/Lightning-AI/lightning/pull/16437))
+
 - Removed the deprecated code in `pl.core.mixins` ([#16424](https://github.com/Lightning-AI/lightning/pull/16424))
 
 - Removed the deprecated code in `pl.utilities.distributed` ([#16390](https://github.com/Lightning-AI/lightning/pull/16390))

src/pytorch_lightning/strategies/utils.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import importlib
-import os
 from inspect import getmembers, isclass
 
 import torch
@@ -23,12 +22,6 @@ from lightning_fabric.plugins.precision.utils import _convert_fp_tensor
 from lightning_fabric.strategies import _StrategyRegistry
 from lightning_fabric.utilities.registry import _is_register_method_overridden
 from pytorch_lightning.strategies.strategy import Strategy
-from pytorch_lightning.utilities.rank_zero import rank_zero_deprecation
-
-
-def on_colab_kaggle() -> bool:
-    rank_zero_deprecation("The function `on_colab_kaggle` has been deprecated in v1.8.0 and will be removed in v2.0.0.")
-    return bool(os.getenv("COLAB_GPU") or os.getenv("KAGGLE_URL_BASE"))
 
 
 def _call_register_strategies(registry: _StrategyRegistry, base_module: str) -> None:

tests/tests_pytorch/deprecated_api/test_remove_2-0.py

@@ -18,17 +18,11 @@ from torch.utils.data import DataLoader
 
 from pytorch_lightning.accelerators.cpu import CPUAccelerator
 from pytorch_lightning.demos.boring_classes import RandomDataset
-from pytorch_lightning.strategies.utils import on_colab_kaggle
 from pytorch_lightning.utilities.cloud_io import atomic_save, get_filesystem, load
 from pytorch_lightning.utilities.data import has_iterable_dataset, has_len
 from pytorch_lightning.utilities.optimizer import optimizer_to_device, optimizers_to_device
 
 
-def test_v1_10_deprecated_on_colab_kaggle_func():
-    with pytest.deprecated_call(match="The function `on_colab_kaggle` has been deprecated in v1.8.0"):
-        on_colab_kaggle()
-
-
 def test_v1_10_deprecated_cloud_io_utilities(tmpdir):
     with pytest.deprecated_call(match="cloud_io.atomic_save` has been deprecated in v1.8.0"):
         atomic_save({}, tmpdir / "atomic_save.ckpt")