RemoveAttachment

Message Layout

{
	RemoveAttachment Low NotTrusted Unencoded
	{
		AgentData			Single
		{	AgentID			LLUUID	}
		{	SessionID		LLUUID	}
	}
	{
		AttachmentBlock		Single
		{	AttachmentPoint	U8	}
		{	ItemID			LLUUID	}
	}
}