Remove support for v1 timestamps file

[moi15moi]

Currently, we don't correctly support v1 timestamps. When the timestamps is over the last range, we have some rounding issue.

See the function "test_frame_to_time_v1" of the file tests\test_text_file_timestamps.py for an example.

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.98%. Comparing base (f9f1b64) to head (0bd62f3).
Report is 1 commits behind head on main.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main       #5      +/-   ##
==========================================
+ Coverage   97.35%   97.98%   +0.62%     
==========================================
  Files          16       16              
  Lines        1438     1288     -150     
==========================================
- Hits         1400     1262     -138     
+ Misses         38       26      -12     

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