[runtime_env] Remove get_current_runtime_env from docs (#22594)

We should just encourage people to use the existing `get_runtime_context` API instead of introducing a new one here. Just removing the docs for now while we discuss this.

doc/source/ray-core/handling-dependencies.rst

@@ -391,7 +391,7 @@ The runtime environment is inheritable, so it will apply to all tasks/actors wit
   # ChildActor's actual `runtime_env` (specify runtime_env overrides)
   {"env_vars": {"A": "a", "B": "b"}}
 
-3. If you'd like to still use current runtime env, you can use the API :ref:`ray.get_current_runtime_env() <runtime-env-apis>` to get the current runtime env and modify it by yourself.
+3. If you'd like to still use current runtime env, you can use the :ref:`ray.get_runtime_context() <runtime-context-apis>` API to get the current runtime env and modify it by yourself.
 
 .. code-block:: python
 

doc/source/ray-core/package-ref.rst

@@ -208,13 +208,6 @@ Runtime Context APIs
 .. autoclass:: ray.runtime_context.RuntimeContext
     :members:
 
-.. _runtime-env-apis:
-
-Runtime Env APIs
---------------------
-
-.. autofunction:: ray.runtime_env.get_current_runtime_env
-
 .. _package-ref-debugging-apis:
 
 Debugging APIs

python/ray/runtime_env.py

@@ -1,10 +1,8 @@
 import ray
 
-from ray.util.annotations import PublicAPI
 from ray._private.client_mode_hook import client_mode_hook
 
 
-@PublicAPI(stability="beta")
 @client_mode_hook(auto_init=False)
 def get_current_runtime_env():
     """Get the runtime env of the current job/worker.