Simplify `otel-collector` example

[aqaurius6666]

Why

Resolve #2238

[linux-foundation-easycla[bot]]

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• :white_check_mark: login: aqaurius6666 / name: Vu Nguyen (f06b5052aa22bcdccac00b3a11deb2bd9cae1fa7, 39c4ecf20a0e823a080fd8fcdbeaa4eb7146c270)

[codecov[bot]]

Codecov Report

Merging #3560 (f77b3f9) into main (efd8a7d) will increase coverage by 0.0%. The diff coverage is n/a.

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #3560   +/-   ##
=====================================
  Coverage   77.9%   77.9%           
=====================================
  Files        163     163           
  Lines      11850   11850           
=====================================
+ Hits        9235    9239    +4     
+ Misses      2417    2413    -4     
  Partials     198     198           

Impacted Files	Coverage Δ
exporters/jaeger/jaeger.go	91.1% <0.0%> (+0.8%)	:arrow_up:
sdk/trace/batch_span_processor.go	81.9% <0.0%> (+0.8%)	:arrow_up:

[pellared]

I was working on something similar recently for .NET and here is the result: https://github.com/open-telemetry/opentelemetry-dotnet-instrumentation/tree/main/examples/demo

Maybe it will help... 😉

[XSAM]

Closing this, as it has been superseded by #5244