Simplify builders for components, remove unnecessary builders

[bogdandrutu]

Signed-off-by: Bogdan Drutu bogdandrutu@gmail.com

[codecov]

Codecov Report

Merging #2624 (56332a0) into main (44a8a09) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #2624   +/-   ##
=======================================
  Coverage   92.02%   92.02%           
=======================================
  Files         273      273           
  Lines       15444    15444           
=======================================
  Hits        14213    14213           
  Misses        849      849           
  Partials      382      382           

Impacted Files	Coverage Δ
service/builder/exporters_builder.go	81.73% <100.00%> (ø)
service/builder/extensions_builder.go	80.76% <100.00%> (ø)
service/builder/pipelines_builder.go	88.42% <100.00%> (ø)
service/builder/receivers_builder.go	72.13% <100.00%> (ø)
service/service.go	52.67% <100.00%> (ø)

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[tigrannajaryan]

I think we can move entire builder package to internal. I don't think it should be public API for us.