Causes Odin's inspector to completely ignore a given member, preventing it from even being included in an Odin PropertyTree, and such will not cause any performance hits in the inspector.
Note that Odin can still serialize an excluded member - it is merely ignored in the inspector itself.
[ObsoleteAttribute("Unity's HideInInspector attribute now also excludes the member from becoming a property in the property tree.")]
[AttributeUsageAttribute((AttributeTargets)384, AllowMultiple = False, Inherited = True)]
public sealed class ExcludeDataFromInspectorAttribute : Attribute