Revert "[mono][interp] Improve tiering performance (dotnet#70649)"

[lambdageek]

in AOT we may not have fields inited if we're using cached class info.

Fixes#73180

[lambdageek]

/azp run runtime-wasm

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Issue Details

---

in AOT we may not have fields inited if we're using cached class info.

Fixes #73180

Author:	lambdageek
Assignees:	-
Labels:	area-Codegen-Interpreter-mono
Milestone:	-

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[lambdageek]

Nope, that wasn't enough. still failing https://helix.dot.net/api/2019-06-17/jobs/75f26afc-7835-4238-9f6c-1006f01fba71/workitems/normal-System.Xml.XmlSerializer.Tests/console

[lambdageek]

/azp run runtime-wasm

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[lambdageek]

/azp run runtime-wasm

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[lambdageek]

Adding initializations, and asserting that the class isn't marked with a failure didn't help. I guess the stack trace could be misleading. Need to try and repro locally.

[lambdageek]

Trying to revert #70649 to see if that resolves it

[lambdageek]

/azp run runtime-wasm

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[lambdageek]

Reverting #70649 fixes the crash

[lambdageek]

/azp run runtime-wasm

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[lambdageek]

Closing in favor of #73264