private void removeParameters(long parentID) throws IOException {
		Field[] paramIDs = paramAdapter.getParameterIdsInFunctionDef(parentID);
		for (Field paramID : paramIDs) {
			deleteDataTypeRecord(paramID.getLongValue());
		}
	}
Remove all function signature parameters from the data base that have the
indicated parent.

@param parentID the parentData type's ID
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/DataTypeManagerDB.java