Remove add-new-model in favor of add-new-model-like (#30424)

* Remove add-new-model in favor of add-new-model-like

* nits

docs/source/en/add_new_model.md

@@ -398,12 +398,14 @@ In the special case that you are adding a model whose architecture exactly match
 existing model you only have to add a conversion script as described in [this section](#write-a-conversion-script).
 In this case, you can just re-use the whole model architecture of the already existing model.
 
-Otherwise, let's start generating a new model. You have two choices here:
+Otherwise, let's start generating a new model. We recommend using the following script to add a model starting from
+an existing model:
 
-- `transformers-cli add-new-model-like` to add a new model like an existing one
-- `transformers-cli add-new-model` to add a new model from our template (will look like BERT or Bart depending on the type of model you select)
+```bash
+transformers-cli add-new-model-like
+```
 
-In both cases, you will be prompted with a questionnaire to fill in the basic information of your model. The second command requires to install `cookiecutter`, you can find more information on it [here](https://github.com/huggingface/transformers/tree/main/templates/adding_a_new_model).
+You will be prompted with a questionnaire to fill in the basic information of your model.
 
 **Open a Pull Request on the main huggingface/transformers repo**