Export raw Chianti collision and A_ul data instead of pre-processing

[andrewfullard]

📝 Description

Type: ☣️ breaking change

The Chianti data was previously processed in Carsus to work with TARDIS. With the latest changes to TARDIS in tardis-sn/tardis#2770 this will not be necessary, and TARDIS will handle the processing.

For the Einstein A_ul coefficients, Chianti has some levels with gf = 0. This means that A_ul is computed to be zero even if the levels are included. Changes in this PR allow the Chianti A_ul values to be retained. This probably breaks for CMFGEN data.

🚦 Testing

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☑️ Checklist

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[codecov]

Codecov Report

Attention: Patch coverage is 28.57143% with 10 lines in your changes missing coverage. Please review.

Project coverage is 67.38%. Comparing base (3403655) to head (b79d73b).
Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
carsus/io/output/levels_lines.py	0.00%	6 Missing ⚠️
carsus/io/output/collisions.py	0.00%	3 Missing ⚠️
carsus/io/output/base.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #414      +/-   ##
==========================================
+ Coverage   66.68%   67.38%   +0.70%     
==========================================
  Files          46       46              
  Lines        3497     3462      -35     
==========================================
+ Hits         2332     2333       +1     
+ Misses       1165     1129      -36     

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