Revert "Enabling ConvertPdbsToWindowsPdbs (#8007)"

[riarenas]

This reverts commit a661399.

This change is causing some problems for repos. See #8033 for details.

To double check:

• The right tests are in and and the right validation has happened. Guidance: https://github.com/dotnet/core-eng/tree/master/Documentation/Validation

[hoyosjs]

😿

[ViktorHofer]

Should this fix the following errors that I see in the latest 6.0 build?

D:\a\1\s\.packages\microsoft.dotnet.arcade.sdk\7.0.0-beta.21512.3\tools\SdkTasks\PublishArtifactsInManifest.proj(140,5): error : The PDB doesn't match debug directory record in the PE file
##[error].packages\microsoft.dotnet.arcade.sdk\7.0.0-beta.21512.3\tools\SdkTasks\PublishArtifactsInManifest.proj(140,5): error : The PDB doesn't match debug directory record in the PE file
D:\a\1\s\.packages\microsoft.dotnet.arcade.sdk\7.0.0-beta.21512.3\tools\SdkTasks\PublishArtifactsInManifest.proj(140,5): error : Failed enumerating file infos: Object reference not set to an instance of an object.
##[error].packages\microsoft.dotnet.arcade.sdk\7.0.0-beta.21512.3\tools\SdkTasks\PublishArtifactsInManifest.proj(140,5): error : Failed enumerating file infos: Object reference not set to an instance of an object.
D:\a\1\s\.packages\microsoft.dotnet.arcade.sdk\7.0.0-beta.21512.3\tools\SdkTasks\PublishArtifactsInManifest.proj(140,5): error : 1 exceptions occurred during processing. First 1 exception(s) stored. (Object reference not set to an instance of an object.)
##[error].packages\microsoft.dotnet.arcade.sdk\7.0.0-beta.21512.3\tools\SdkTasks\PublishArtifactsInManifest.proj(140,5): error : 1 exceptions occurred during processing. First 1 exception(s) stored. (Object reference not set to an instance of an object.)
D:\a\1\s\.packages\microsoft.dotnet.arcade.sdk\7.0.0-beta.21512.3\tools\SdkTasks\PublishArtifactsInManifest.proj(140,5): error : Object reference not set to an instance of an object.
##[error].packages\microsoft.dotnet.arcade.sdk\7.0.0-beta.21512.3\tools\SdkTasks\PublishArtifactsInManifest.proj(140,5): error : Object reference not set to an instance of an object.
D:\a\1\s\.packages\microsoft.dotnet.arcade.sdk\7.0.0-beta.21512.3\tools\SdkTasks\PublishArtifactsInManifest.proj(140,5): error : Publishing symbols failed : 
##[error].packages\microsoft.dotnet.arcade.sdk\7.0.0-beta.21512.3\tools\SdkTasks\PublishArtifactsInManifest.proj(140,5): error : Publishing symbols failed : 

https://dev.azure.com/dnceng/internal/_build/results?buildId=1418527&view=logs&s=380ab8c6-4139-55ff-15c4-fb48260f4dca&j=ba23343f-f710-5af9-782d-5bd26b102304

[riarenas]

Unsure but possible?. That's not one of the errors I was tracking.

[riarenas]

Retriggered the last failed release/6.0 runtime build to verify: https://dev.azure.com/dnceng/internal/_build/results?buildId=1418950&view=results

[riarenas]

Looks like symbol publishing succeeded for the rerun.