protected void notifyDeleted() {
		for (DataType dt : dataMgr.getParentDataTypes(key)) {
			dt.dataTypeDeleted(this);
		}
	}
Notification that this composite data type's alignment has changed.

@param isAutoChange true if changes are in response to another datatype's change.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/DataTypeDB.java