chore: prefer use of global TracerProvider/MeterProvider

[Flarna]

Remove setting of TracerProvider in samples where it is actually not needed as the global TracerProvider should be preferred on default.

I found it also inconsistent to set a TracerProvider but no MeterProvider.

[codecov]

Codecov Report

Merging #2127 (c9e4062) into main (23ba4bf) will increase coverage by 1.11%.
The diff coverage is n/a.

❗ Current head c9e4062 differs from pull request most recent head 9766d51. Consider uploading reports for the commit 9766d51 to get more accurate results

@@            Coverage Diff             @@
##             main    #2127      +/-   ##
==========================================
+ Coverage   92.76%   93.87%   +1.11%     
==========================================
  Files         140       70      -70     
  Lines        4987     3085    -1902     
  Branches     1029      676     -353     
==========================================
- Hits         4626     2896    -1730     
+ Misses        361      189     -172     

Impacted Files	Coverage Δ
packages/opentelemetry-sdk-node/src/sdk.ts	78.12% <ø> (ø)
...s/opentelemetry-core/src/platform/node/sdk-info.ts	0.00% <0.00%> (-100.00%)	⬇️
...pentelemetry-core/src/platform/node/performance.ts	0.00% <0.00%> (-100.00%)	⬇️
...emetry-api-metrics/src/platform/node/globalThis.ts	0.00% <0.00%> (-100.00%)	⬇️
...kages/opentelemetry-node/src/NodeTracerProvider.ts	95.83% <0.00%> (-4.17%)	⬇️
...atform/node/instrumentationNodeModuleDefinition.ts
...ry-exporter-prometheus/src/PrometheusSerializer.ts
packages/opentelemetry-tracing/src/config.ts
...ource-detector-aws/src/detectors/AwsEc2Detector.ts
...ges/opentelemetry-metrics/src/export/Controller.ts
... and 65 more

[dyladan]

Thanks this is something I've been meaning to do.

[obecny]

lgtm,
Are you up to make the same in contrib, so we have unified examples ?

[Flarna]

I added one more commit to align sequence of provider.register() and registerInstrumenations().

Are you up to make the same in contrib, so we have unified examples ?

Sure, will do once this landed.