Remove process listener

[dyladan]

Fixes #1521

Replaces #1501

[codecov]

Codecov Report

Merging #1522 into master will decrease coverage by 0.54%.
The diff coverage is 27.27%.

@@            Coverage Diff             @@
##           master    #1522      +/-   ##
==========================================
- Coverage   93.82%   93.28%   -0.55%     
==========================================
  Files         154      153       -1     
  Lines        4761     4750      -11     
  Branches      952      950       -2     
==========================================
- Hits         4467     4431      -36     
- Misses        294      319      +25     

Impacted Files	Coverage Δ
packages/opentelemetry-metrics/src/types.ts	100.00% <ø> (ø)
...s/opentelemetry-tracing/src/BasicTracerProvider.ts	77.77% <ø> (-3.62%)	⬇️
packages/opentelemetry-sdk-node/src/sdk.ts	73.91% <20.00%> (-9.14%)	⬇️
...ackages/opentelemetry-metrics/src/MeterProvider.ts	88.23% <100.00%> (-2.25%)	⬇️
...ges/opentelemetry-metrics/src/export/Controller.ts	45.45% <0.00%> (-31.82%)	⬇️
...ges/opentelemetry-tracing/src/NoopSpanProcessor.ts	42.85% <0.00%> (-28.58%)	⬇️
...s/opentelemetry-metrics/src/export/NoopExporter.ts	25.00% <0.00%> (-25.00%)	⬇️
...elemetry-tracing/src/export/ConsoleSpanExporter.ts	78.57% <0.00%> (-21.43%)	⬇️
packages/opentelemetry-metrics/src/Meter.ts	87.80% <0.00%> (-6.51%)	⬇️

[Flarna]

Is this just a revert of #1321 or are there more changes?
If yes, should we reopen #1290 which was closed by #1321?

[obecny]

lgtm,
I would just add an example (in getting started for example or more appropriate place) to show people that if they want to mimic the removed behaviour in node they should simply listen for sigterm and call shutdown of tracer etc..

[dyladan]

lgtm,
I would just add an example (in getting started for example or more appropriate place) to show people that if they want to mimic the removed behaviour in node they should simply listen for sigterm and call shutdown of tracer etc..

f0cddd0 (#1522)