Deprecate otelkit

[pellared]

Towards #4085

[codecov]

Codecov Report

Merging #4093 (3b053c6) into main (33c3a8f) will increase coverage by 0.1%.
Report is 1 commits behind head on main.
The diff coverage is 100.0%.

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #4093     +/-   ##
=======================================
+ Coverage   79.1%   79.3%   +0.1%     
=======================================
  Files        165     165             
  Lines      10318   10318             
=======================================
+ Hits        8170    8186     +16     
+ Misses      2010    1998     -12     
+ Partials     138     134      -4     

Files Changed	Coverage Δ
exporters/autoexport/exporter.go	85.0% <100.0%> (+7.5%)	⬆️
exporters/autoexport/registry.go	100.0% <100.0%> (+17.5%)	⬆️

... and 1 file with indirect coverage changes