Strip out vendor specific formats into separate packages

[tclose]

strip out the vendor-specific packages

[codecov]

Codecov Report

❌ Patch coverage is 90.90909% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 64.40%. Comparing base (07667d9) to head (f4859ba).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
fileformats/biosig/tests/test_edf.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main       #3       +/-   ##
===========================================
- Coverage   85.79%   64.40%   -21.40%     
===========================================
  Files           6        4        -2     
  Lines         169       59      -110     
===========================================
- Hits          145       38      -107     
+ Misses         24       21        -3     

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