Remove extra step to generate jvmtest folder

We are generating jvmtest folder and copy all the compiled material to the folder duration compilation. It was used for internal builds and is not necessary now, so we can remove this extra step.

Locate the compilation entry point that creates the jvmtest folder and copies compiled material into it. Read the surrounding build flow to confirm the step is only for obsolete internal builds, then verify compilation still succeeds without creating or populating jvmtest.

Written by the indexing model from the issue text.