Remove wrong comments (backport #240)

[mergify]

copy-pasta

---

This is an automatic backport of pull request #240 done by Mergify.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.15%. Comparing base (393a384) to head (a7ed8a0).

Additional details and impacted files

@@           Coverage Diff           @@
##           humble     #242   +/-   ##
=======================================
  Coverage   76.15%   76.15%           
=======================================
  Files           8        8           
  Lines         478      478           
  Branches      183      183           
=======================================
  Hits          364      364           
- Misses         70       77    +7     
+ Partials       44       37    -7     

Flag	Coverage Δ
unittests	76.15% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
include/realtime_tools/realtime_buffer.hpp	86.53% <ø> (ø)

... and 1 file with indirect coverage changes