[configtls] Removed deprecated structs

[TylerHelmuth]

Description:
Removed deprecated structs

Link to tracking Issue:
Related to #9428
Related to #9474
Closes #9548

[TylerHelmuth]

Depends on open-telemetry/opentelemetry-collector-contrib#31814

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.13%. Comparing base (f237238) to head (151f8e6).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #9786   +/-   ##
=======================================
  Coverage   91.13%   91.13%           
=======================================
  Files         353      353           
  Lines       18746    18746           
=======================================
  Hits        17085    17085           
  Misses       1333     1333           
  Partials      328      328           

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[mx-psi]

Looks like there are a few fixes missing on contrib:

# github.com/open-telemetry/opentelemetry-collector-contrib/exporter/opencensusexporter [github.com/open-telemetry/opentelemetry-collector-contrib/exporter/opencensusexporter.test]
Error: ./config_test.go:61:7: unknown field TLSSetting in struct literal of type configtls.ClientConfig
Error: ./factory_test.go:127:7: unknown field TLSSetting in struct literal of type configtls.ClientConfig
Error: ./factory_test.go:141:7: unknown field TLSSetting in struct literal of type configtls.ClientConfig

# github.com/open-telemetry/opentelemetry-collector-contrib/receiver/postgresqlreceiver [github.com/open-telemetry/opentelemetry-collector-contrib/receiver/postgresqlreceiver.test]
Error: ./config_test.go:166:4: unknown field TLSSetting in struct literal of type configtls.ClientConfig

[TylerHelmuth]

@mx-psi those errors are happening because ClientConfig and ServerConfig use mapstructure:",squash" and the type was changed to Config from TLSSetting - this is a new breaking change being introduced in this PR as part of the removal. I've created separate changelog entries to help api users see both breaking changes from this PR. Once this PR is merged I'll update Contrib to use Config instead of TLSSetting in the tests.

[mx-psi]

Thanks for explaining, you are right that this can't be fixed in contrib before merging this. I will wait to merge this until we are done with the contrib release