[Instrumentation.AWS] drop default parameter from registration method

[Kielek]

Fixes #.

Changes

[Instrumentation.AWS] drop default parameter from registration method
There will be no compilation time changes, what is more, the next release should rename the package. It is good moment to change API.

Similar PR for AWSLamda with explanations: #943

For significant contributions please make sure you have completed the following items:

• Appropriate CHANGELOG.md updated for non-trivial changes
• [ ] Design discussion issue #
• Changes in public API reviewed

[codecov]

Codecov Report

Merging #1117 (74743f5) into main (d99d1d3) will increase coverage by 0.01%.
The diff coverage is 78.94%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1117      +/-   ##
==========================================
+ Coverage   71.25%   71.27%   +0.01%     
==========================================
  Files         229      229              
  Lines        8493     8536      +43     
==========================================
+ Hits         6052     6084      +32     
- Misses       2441     2452      +11     

Impacted Files	Coverage Δ
...ry.Exporter.Geneva/TLDExporter/TldTraceExporter.cs	32.31% <0.00%> (ø)
...ceDetectors.Container/ContainerResourceDetector.cs	82.60% <40.00%> (ø)
...ry.Exporter.Geneva/Metrics/GenevaMetricExporter.cs	80.00% <80.48%> (-0.57%)	⬇️
...rumentation.AWS/TracerProviderBuilderExtensions.cs	100.00% <100.00%> (ø)
...rter.Geneva/Metrics/GenevaMetricExporterOptions.cs	100.00% <100.00%> (ø)
...ectors.Container/ContainerExtensionsEventSource.cs	8.33% <100.00%> (ø)
...ResourceDetectors.Container/Utils/EncodingUtils.cs	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes

[srprash]

LGTM