Refactor SCORE/SCRUB and BASIL

[tsalo]

Closes None.

Changes proposed in this pull request

• Clean up ScoreAndScrubCBF.
• Rename inputs and outputs of ScoreAndScrubCBF and BASILCBF.
• Move ComputeCBFQC and ComputeCBFQCforGE from cbf_computation to new qc module.
• Replace use_default (typo) with usedefault.
• Refactor _score_cbf, _tune.

To do:

• Refactor _robust_fit
• Refactor _scrub_cbf
• Replace _getchisquare with a scipy.stats call.

[codecov-commenter]

Codecov Report

Attention: 9 lines in your changes are missing coverage. Please review.

Comparison is base (247515a) 79.62% compared to head (a8e0c07) 80.30%.

Files	Patch %	Lines
aslprep/interfaces/cbf.py	81.48%	4 Missing and 1 partial ⚠️
aslprep/utils/cbf.py	94.28%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #253      +/-   ##
==========================================
+ Coverage   79.62%   80.30%   +0.67%     
==========================================
  Files          37       37              
  Lines        3946     3904      -42     
  Branches      551      538      -13     
==========================================
- Hits         3142     3135       -7     
+ Misses        625      604      -21     
+ Partials      179      165      -14     

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