Deprecate the 'l-bfgs-b' optimiser if regularisation is used
'l-bfgs-b' is modifying the loss function so it changes the regularization strength. The example notebook and the notebook 2 might need to be updated.
'l-bfgs-b' is modifying the loss function so it changes the regularization strength. The example notebook and the notebook 2 might need to be updated.