Remove dead code in orbit

[lucasmrod]

Found this while working on https://github.com/fleetdm/fleet/issues/36654.

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 65.92%. Comparing base (5432119) to head (79a90e3). :warning: Report is 89 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #37119      +/-   ##
==========================================
+ Coverage   65.90%   65.92%   +0.01%     
==========================================
  Files        2327     2327              
  Lines      184810   184788      -22     
  Branches     7663     7663              
==========================================
+ Hits       121806   121827      +21     
+ Misses      51865    51827      -38     
+ Partials    11139    11134       -5     

Flag	Coverage Δ
backend	67.75% <ø> (+0.02%)	:arrow_up:

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