Removed spurious line

Removed redundant "@mcp.tool" line.

Author: mclaughlin-thomas

samples/mcp-sdk-server/server.py

@@ -56,7 +56,6 @@ def get_entity_types() -> Dict[str, str]:
     return result
 
 
-@mcp.tool()
 @mcp.tool()
 def get_sdk_methods(entity_type: str) -> Dict[str, Any]:
     """Returns detailed information about all methods available for a specific entity type.