fix: remove NoX plans from docs

[fdrgsp]

Remove NoX

[tlambert03]

thanks! As a side-task, would you want to set-up CI at useq-schema to run widget tests, similar to how we run pymmcore-plus tests?

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.02 🎉

Comparison is base (5d55cc7) 96.32% compared to head (0017a1a) 96.35%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #105      +/-   ##
==========================================
+ Coverage   96.32%   96.35%   +0.02%     
==========================================
  Files          12       12              
  Lines         735      713      -22     
==========================================
- Hits          708      687      -21     
+ Misses         27       26       -1     

Impacted Files	Coverage Δ
src/useq/_z.py	98.21% <ø> (-0.18%)	⬇️
src/useq/__init__.py	100.00% <100.00%> (ø)
src/useq/_grid.py	100.00% <100.00%> (ø)
src/useq/_hardware_autofocus.py	100.00% <100.00%> (+3.03%)	⬆️
src/useq/_mda_sequence.py	98.35% <100.00%> (+0.01%)	⬆️
src/useq/_time.py	100.00% <100.00%> (ø)

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