public void uninsert(int inputNumber) {
        IntermediateOperation operationToRemove = inputs.get(inputNumber);
        IntermediateOperation newInputOperation = operationToRemove.inputs.get(0);
        int outputNumber = findOutputNumber(newInputOperation, operationToRemove);
        newInputOperation.outputs.set(outputNumber, this);
        inputs.set(inputNumber, newInputOperation);
    }
Remove an operation between an input and this one
model-integration/src/main/java/ai/vespa/rankingexpression/importer/operations/IntermediateOperation.java