Chore: remove empty files and unused code (#23990)

Co-authored-by: Yongtao Huang <99629139+hyongtao-db@users.noreply.github.com>

api/core/mcp/auth/auth_provider.py

 from models.tools import MCPToolProvider
 from services.tools.mcp_tools_manage_service import MCPToolManageService
 
-LATEST_PROTOCOL_VERSION = "1.0"
-
 
 class OAuthClientProvider:
     mcp_provider: MCPToolProvider

api/core/mcp/client/sse_client.py

 StatusQueue: TypeAlias = queue.Queue[_StatusReady | _StatusError]
 
 
-def remove_request_params(url: str) -> str:
-    """Remove request parameters from URL, keeping only the path."""
-    return urljoin(url, urlparse(url).path)
-
-
 class SSETransport:
     """SSE client transport implementation."""
 

api/core/tools/entities/file_entities.py

-

api/tests/unit_tests/core/mcp/client/test_sse.py

             # Note: In real implementation, cleanup should put None to signal shutdown
 
 
-def test_sse_client_url_processing():
-    """Test SSE client URL processing functions."""
-    from core.mcp.client.sse_client import remove_request_params
-
-    # Test URL with parameters
-    url_with_params = "http://example.com/sse?param1=value1&param2=value2"
-    cleaned_url = remove_request_params(url_with_params)
-    assert cleaned_url == "http://example.com/sse"
-
-    # Test URL without parameters
-    url_without_params = "http://example.com/sse"
-    cleaned_url = remove_request_params(url_without_params)
-    assert cleaned_url == "http://example.com/sse"
-
-    # Test URL with path and parameters
-    complex_url = "http://example.com/path/to/sse?session=123&token=abc"
-    cleaned_url = remove_request_params(complex_url)
-    assert cleaned_url == "http://example.com/path/to/sse"
-
-
 def test_sse_client_headers_propagation():
     """Test that custom headers are properly propagated in SSE client."""
     test_url = "http://test.example/sse"