Remove nuisance variables

[pnavada]

No description provided.

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (816fdd4) 3.58% compared to head (e3c0cfe) 41.83%.

Files	Patch %	Lines
src/eliater/discover_latent_nodes.py	97.29%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            main       #2       +/-   ##
==========================================
+ Coverage   3.58%   41.83%   +38.24%     
==========================================
  Files          7       11        +4     
  Lines        251      306       +55     
  Branches      32       40        +8     
==========================================
+ Hits           9      128      +119     
+ Misses       242      176       -66     
- Partials       0        2        +2     

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[cthoyt]

I added several inline TODO's that need to be addressed. I also set up the CI tests to fail until these TODOs addressed

[cthoyt]

data is missing from this PR

[cthoyt]

data is missing from this PR

[cthoyt]

I cleaned up the documentation in the following ways:

1. Removed stub text for loading data that has not been committed to this branch. I added fixmes for these
2. Recapitulated previous FIXMEs about needing more careful documentation about the example graphs.
3. Replaced the incorrect images in the nuisance node removal tutorial. @srtaheri you can be more careful about this by actually running the code that you write
4. Rewrite the nuisance node removal tutorial text - it's much more simple now

Remember @srtaheri @pnavada the point of all of this is to make documentation that a reader can actually follow and learn from

[cthoyt]

I'm going to merge this now despite there being some TODO's left