remove unused function

Author: kzhdev

atomic_ops.py

@@ -75,32 +75,6 @@ def get_size(reserved: int) -> int:
     return reserved & 0xFFFF
 
 
-def validate_shm_name(name: str) -> None:
-    """Validate shared memory name for platform compatibility.
-
-    macOS has a 31-character limit for POSIX shared memory names (including the leading /).
-    This function checks the name length and raises ValueError if it exceeds the limit.
-
-    Args:
-        name: Shared memory name (with or without leading /)
-
-    Raises:
-        ValueError: If the name is too long for macOS
-
-    Example:
-        >>> validate_shm_name("my_queue")  # OK: 10 chars (becomes "/my_queue" = 10 chars)
-        >>> validate_shm_name("a_very_long_shared_memory_name_that_exceeds_limit")  # Raises ValueError on macOS
-    """
-    # Add leading / if not present (POSIX requirement on Linux/macOS)
-    if sys.platform != 'win32' and not name.startswith('/'):
-        name = '/' + name
-
-    # Check macOS limit
-    if sys.platform == 'darwin' and len(name) > 31:
-        raise ValueError(f"Shared memory name '{name}' is {len(name)} characters, "
-                       f"but macOS has a 31-character limit. Please use a shorter name.")
-
-
 class MemoryOrder(IntEnum):
     """Memory ordering constants matching C++ std::memory_order."""
     RELAXED = 0  # memory_order_relaxed