Dev Tools: remove lnav dependency from beta branch

[onetechnical]

Summary

This cherry-pick of the lnav dev tool removal to the beta branch to unblock CI testing.

Test Plan

N/A Not a code change

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 51.84%. Comparing base (fdf5711) to head (0578a61).
Report is 2 commits behind head on rel/beta.

Additional details and impacted files

@@             Coverage Diff              @@
##           rel/beta    #6225      +/-   ##
============================================
- Coverage     52.04%   51.84%   -0.21%     
============================================
  Files           643      643              
  Lines         86382    86382              
============================================
- Hits          44959    44784     -175     
- Misses        38566    38730     +164     
- Partials       2857     2868      +11     

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