PR summary

This is a follow-up from#25546, whihch removed the_default_contains method.
A similar change was made to several other classes, such as Axes and Figure,
however the call within Artist itself was not removed.

This has evidently not presented a problem to anybody (that we know of), since most
artists (that are used interactively at least) have their owncontains method.

However, if one were to have an Artist without a contains instead of returningFalse, {},
you would get an AttributeError.

Considered adding a test, but opted not to initially. (Willing to be talked into doing so)

PR checklist

• "closes #0000" is in the body of the PR description tolink the related issue
• new and changed code istested
• Plotting related features are demonstrated in anexample
• New Features andAPI Changes are noted with adirective and release note
• Documentation complies withgeneral anddocstring guidelines