Remove introduction paragraph meant for maintainers (#863)

Author: SebastienMelo

python_scripts/03_categorical_pipeline_visualization.py

@@ -8,13 +8,6 @@
 # %% [markdown]
 # # Visualizing scikit-learn pipelines in Jupyter
 
-# %% [markdown]
-# The goal of keeping this notebook is to:
-#
-# - make it available for users that want to reproduce it locally
-# - archive the script in the event we want to rerecord this video with an
-#   update in the UI of scikit-learn in a future release.
-
 # %% [markdown]
 # ## First we load the dataset