Remove Scatter and Hexbin from Series plot documentation
- [x] closes #38976
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [x] Remove scatter and hexbin entry from https://github.com/pandas-dev/pandas/blob/v1.2.0/pandas/plotting/_core.py#L603-L1708

this is fine. there *is* a more comprehensive soln to this but it is more involed in not showing the access for those plot types for the underlying object (and then dynamically generating the doc-string), but out of scope. > this is fine. there _is_ a more comprehensive soln to this but it is more involed in not showing the access for those plot types for the underlying object (and then dynamically generating the doc-string), but out of scope.

Can you provide a reference for this? > > this is fine. there _is_ a more comprehensive soln to this but it is more involed in not showing the access for those plot types for the underlying object (and then dynamically generating the doc-string), but out of scope.
> 
> Can you provide a reference for this?

you would to look in pandas/plotting/_core and see how the accessor is registered, basically trace it. thanks @1nF0rmed 