Y24-296 - Remove unneeded tables and columns

[stevieing]

Remove sequencing_kit_box_barcode from pacbio_runs.

Closes #

Changes proposed in this pull request

• remove pacbio_request_libraries table
• remove sequencing_kit_box_barcode from pacbio_runs table

Instructions for Reviewers

[All PRs] - Confirm PR template filled
[Feature Branches] - Review code
[Production Merges to main]
    - Check story numbers included
    - Check for debug code
    - Check version

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.93%. Comparing base (cfbe095) to head (93e10cd).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1444      +/-   ##
===========================================
- Coverage    97.93%   97.93%   -0.01%     
===========================================
  Files          422      422              
  Lines        13147    13145       -2     
===========================================
- Hits         12876    12874       -2     
  Misses         271      271              

Flag	Coverage Δ
	97.93% <ø> (-0.01%)	⬇️

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