@Override
	public void removeParent(DataType dt) {
		// this datatype is STATIC, don't hold on to parents
	}
Get the Undefined byte as a Scalar.

@param buf the data buffer.
@param settings the display settings to use.
@param length the number of bytes to get the value from.
@return the data Object.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/DefaultDataType.java