Remove logger_connector legacy code

[carmocca]

What does this PR do?

Removes legacy code.

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[codecov]

Codecov Report

Merging #6733 (f03ec12) into master (f79a13e) will decrease coverage by 4%.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master   #6733    +/-   ##
=======================================
- Coverage      91%     87%    -4%     
=======================================
  Files         192     192            
  Lines       12231   12174    -57     
=======================================
- Hits        11184   10609   -575     
- Misses       1047    1565   +518     

[Borda]

finally :D