Distill a light-weight Chart from Chart2D

[Eugene Lazutkin]

For user's convenience Chart2D includes all types of axes (currently 2), and all types of plots (currently 21). This is unsustainable in the long run. Additionally it includes all possible charting options, even for modest charting needs, which is really taxing, and will be even more so over time.

Example: a pie chart needs no axes, and just one plot renderer: pie.

Proposal: distill Chart object from Chart2D object shedding all "convenient" references, which are not strictly required for all charts. Chart2D is left for compatibility reasons. All other uses require to dojo.require() all relevant renderers.

In order to make the transition smooth, add user-friendly error reporting, where missing pieces are clearly identified.

[Eugene Lazutkin]

(In [23522]) Charting: split Chart from Chart2D for more lean charts, !strict, fixes #12149.

[bill]

In [27676]:

Fix deprecation message, and update DOH to remove reference to deprecated module. Refs #12149 !strict.