Remove doctest examples of FacetGrid with categorical plots
Remove doctest examples of FacetGrid with categorical plots

Even though these cases were fine because the data were balanced or order
information was communicated with categorical variables, this is not obvious
just from reading the code.

mwaskom/seaborn,lukauskas/seaborn,petebachant/seaborn,anntzer/seaborn,lukauskas/seaborn,arokem/seaborn,anntzer/seaborn,arokem/seaborn,mwaskom/seaborn,phobson/seaborn,phobson/seaborn,sauliusl/seaborn