[Instrumentation.GrpcCore] Remove usage of "otel.status_code" and "otel.status_description"

[IliaBrahinets]

Related to open-telemetry/opentelemetry-dotnet#2569

Changes

• Remove usage of "otel.status_code" and "otel.status_description" from unit-tests
• Use SetStatus(ActivityStatusCode, desc) from Activity instead of SetStatus(StatusCode) from ActivityExtensions

[Kielek]

@IliaBrahinets, could you please add CHANGELOG entry to document this?

It might be important for some users.

[IliaBrahinets]

@IliaBrahinets, could you please add CHANGELOG entry to document this?

It might be important for some users.

CHANGELOG has been updated.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.17%. Comparing base (71655ce) to head (f67bb79).
Report is 253 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1799      +/-   ##
==========================================
+ Coverage   73.91%   80.17%   +6.25%     
==========================================
  Files         267      116     -151     
  Lines        9615     3077    -6538     
==========================================
- Hits         7107     2467    -4640     
+ Misses       2508      610    -1898     

Flag	Coverage Δ
unittests-Solution	80.17% <ø> (?)

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see 257 files with indirect coverage changes

[Kielek]

Approving and merging, as it is purely technical debt related to OTel SDK.