Time series clean up

[junpenglao]

No description provided.

[codecov]

Codecov Report

Merging #6240 (4c6526e) into main (13dfeb2) will decrease coverage by 4.77%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6240      +/-   ##
==========================================
- Coverage   93.62%   88.85%   -4.78%     
==========================================
  Files         101      101              
  Lines       22129    22129              
==========================================
- Hits        20719    19662    -1057     
- Misses       1410     2467    +1057     

Impacted Files	Coverage Δ
pymc/distributions/timeseries.py	91.74% <100.00%> (+0.29%)	⬆️
pymc/tests/distributions/test_timeseries.py	96.95% <100.00%> (ø)
pymc/tests/distributions/test_bound.py	0.00% <0.00%> (-100.00%)	⬇️
pymc/tests/distributions/test_censored.py	0.00% <0.00%> (-100.00%)	⬇️
pymc/tests/distributions/test_simulator.py	0.00% <0.00%> (-99.51%)	⬇️
pymc/tests/distributions/test_truncated.py	0.00% <0.00%> (-99.49%)	⬇️
pymc/sampling_jax.py	0.00% <0.00%> (-97.19%)	⬇️
pymc/distributions/truncated.py	34.96% <0.00%> (-64.34%)	⬇️
pymc/distributions/bound.py	45.63% <0.00%> (-54.37%)	⬇️
pymc/distributions/simulator.py	34.04% <0.00%> (-53.20%)	⬇️
... and 3 more