Rename plot module to plotting

[nvaytet]

We now import only the plot function from the plotting module in the scipp __init__.py.
This means we can now simply do sc.plot(mydata) instead of sc.plot.plot(mydata).

The only other things in the plotting module that were being imported were some mostly unused shortcuts to various plot projections. These have now been removed.

This also fixes the mpl plots that were not showing in the binned_data notebook for example.

[jl-wynen]

Why did you remove them?

[nvaytet]

It seems that they are not used at all?
CMake apparently finds and copies all the files in the subdirectories.
See discussion on Slack (scipp channel)

[nvaytet]

@OwenArnold how would this impact the CI chain we have with the ess and ess-notebooks repos?
Am i right that they are now based on the release builds of Scipp, not master?
So when we make a new release of Scipp, we should update all the ess code and notebooks?
Will this lead to a potentially long build-up of errors/inconsistencies between Scipp releases?

[OwenArnold]

@OwenArnold how would this impact the CI chain we have with the ess and ess-notebooks repos?
Am i right that they are now based on the release builds of Scipp, not master?
So when we make a new release of Scipp, we should update all the ess code and notebooks?
Will this lead to a potentially long build-up of errors/inconsistencies between Scipp releases?

#1494 (comment) describes current working.

Yes correct. If you introduce breaking functionality in scipp, we don't see the effect downstream until the release is made. We could potentially have a next/future/dev branch on each of the repositories and also have pipelines that build from that using scipp\label\dev, That's quite a bit more management work. So not sure what best trade off is under the circumstances. Maybe we can build, but not publish these future packages, so we at least know to make the fix.

[SimonHeybrock]

Do not merge right now (converted to draft). This will break the IKON20 Python course, and I don't know when/if the images will be rebuilt.

[SimonHeybrock]

@nvaytet Or should we merge, fix the notebooks, and ask Torben to rebuild the image?

[nvaytet]

@nvaytet Or should we merge, fix the notebooks, and ask Torben to rebuild the image?

I don't really mind. I'll ask Torben if there is still time to rebuild the image.