Remove the deprecated RFC7523OAuthClientProvider (#3169)

tests/docs_src/test_oauth_clients.py

@@ -10,11 +10,9 @@ from docs_src.oauth_clients import tutorial001, tutorial002
 from mcp.client.auth import OAuthClientProvider, OAuthFlowError, OAuthRegistrationError, OAuthTokenError, TokenStorage
 from mcp.client.auth.extensions.client_credentials import (
     PrivateKeyJWTOAuthProvider,
-    RFC7523OAuthClientProvider,
     static_assertion_provider,
 )
 from mcp.shared.auth import OAuthClientInformationFull, OAuthClientMetadata, OAuthToken
-from mcp.shared.exceptions import MCPDeprecationWarning
 
 # See test_index.py for why this is a per-module mark and not a conftest hook.
 pytestmark = [pytest.mark.anyio, pytest.mark.filterwarnings("error::mcp.MCPDeprecationWarning")]
@@ -104,16 +102,6 @@ async def test_the_one_more_provider_is_private_key_jwt() -> None:
     assert provider.context.client_metadata.token_endpoint_auth_method == "private_key_jwt"
 
 
-async def test_the_page_does_not_count_the_deprecated_provider() -> None:
-    """Why the `!!! info` says *one* more provider: `RFC7523OAuthClientProvider` warns on construction."""
-    with pytest.warns(MCPDeprecationWarning, match="RFC7523OAuthClientProvider is deprecated"):
-        RFC7523OAuthClientProvider(
-            server_url="http://localhost:8001/mcp",
-            client_metadata=tutorial001.oauth.context.client_metadata,
-            storage=tutorial001.InMemoryTokenStorage(),
-        )
-
-
 async def test_every_oauth_error_is_an_oauth_flow_error() -> None:
     """Catch `OAuthFlowError` and you have caught registration and token failures too."""
     assert issubclass(OAuthRegistrationError, OAuthFlowError)