Remove SemVersion from instrumentation/google.golang.org/grpc/otelgrpc and instrumentation/google.golang.org/grpc/otelgrpc/test

[arshukla98]

Closes: #7033
Closes: #7034

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.8%. Comparing base (bc0abef) to head (6a747ce).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #7143     +/-   ##
=======================================
- Coverage   75.8%   75.8%   -0.1%     
=======================================
  Files        206     206             
  Lines      19244   19240      -4     
=======================================
- Hits       14595   14590      -5     
  Misses      4217    4217             
- Partials     432     433      +1     

Files with missing lines	Coverage Δ
...entation/google.golang.org/grpc/otelgrpc/config.go	90.9% <100.0%> (ø)
...on/google.golang.org/grpc/otelgrpc/test/version.go	100.0% <ø> (+40.0%)	⬆️
...ntation/google.golang.org/grpc/otelgrpc/version.go	100.0% <ø> (ø)

... and 1 file with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.