[MNT] - Add custom style option to turn axis off

[TomDonoghue]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 98.30%. Comparing base (424646a) to head (66df9df).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
neurodsp/plts/style.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #361      +/-   ##
==========================================
- Coverage   98.32%   98.30%   -0.03%     
==========================================
  Files         119      119              
  Lines        4430     4433       +3     
==========================================
+ Hits         4356     4358       +2     
- Misses         74       75       +1     

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