Removed `RhythmMaker.__illustrate__()`.
Removed reference to `__makenew__` from AbjadObject.
Removed all references to `__makenew__()` in timespantools.
Removed all references to `__makenew__()` from rhythmmakertools.
Removed `__illustrate__()` from NoteRhythmMaker.
Updated IOManager doctests.