Migrate epath-no-tf -> epath

epath does not depend on TF anymore, so epath-no-tf is deprecated and will be removed

PiperOrigin-RevId: 452256226

Author: Conchylicultor

setup.py

@@ -61,7 +61,7 @@
 REQUIRED_PKGS = [
     'absl-py',
     'dill',  # TODO(tfds): move to TESTS_REQUIRE.
-    'etils[epath-no-tf,epy]',
+    'etils[epath]',
     'numpy',
     'promise',
     'protobuf>=3.12.2',

tensorflow_datasets/core/utils/file_utils.py

@@ -47,10 +47,7 @@ def as_path(path: PathLike) -> Path:
 
       Alternatively `tfds.core.Path` is an alias of `epath.Path`.
 
-      Installation: pip install etils[epath]
-      `etils[epath]` will install the `tf.io.gfile` backend from
-      tf-nightly. If you prefer another TF version, use
-      `etils[epath-no-tf]`.
+      Installation: `pip install etils[epath]`
 
       """