Don't use the PTVSD version in the folder name for the wheel experiment

[kimadeline]

For #7836

• Pull request represents a single change (i.e. not fixing disparate/unrelated things in a single PR)
• Title summarizes what is changing
• Has a news entry file (remember to thank yourself!)
• Appropriate comments and documentation strings in the code
• Has sufficient logging.
• Has telemetry for enhancements.
• Unit tests & system/integration tests are added/updated
• Test plan is updated as appropriate
• package-lock.json has been regenerated by running npm install (if dependencies have changed)
• The wiki is updated with any design decisions/details.

[codecov-io]

Codecov Report

Merging #7876 into master will decrease coverage by 0.67%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #7876      +/-   ##
==========================================
- Coverage   59.24%   58.57%   -0.68%     
==========================================
  Files         498      498              
  Lines       22293    21932     -361     
  Branches     3580     3575       -5     
==========================================
- Hits        13208    12847     -361     
  Misses       8263     8263              
  Partials      822      822

Impacted Files	Coverage Δ
...nt/datascience/jupyter/invalidNotebookFileError.ts	0% <0%> (-75%)	⬇️
.../client/datascience/jupyter/jupyterConnectError.ts	0% <0%> (-66.67%)	⬇️
...science/jupyter/jupyterKernelPromiseFailedError.ts	0% <0%> (-50%)	⬇️
...ent/datascience/jupyter/jupyterWaitForIdleError.ts	0% <0%> (-50%)	⬇️
src/client/language/characters.ts	12% <0%> (-21.34%)	⬇️
src/client/testing/codeLenses/main.ts	60% <0%> (-17.78%)	⬇️
src/client/datascience/cellFactory.ts	72.34% <0%> (-17.32%)	⬇️
src/client/constants.ts	75% <0%> (-5%)	⬇️
src/client/providers/providerUtilities.ts	84.61% <0%> (-4.28%)	⬇️
src/client/api.ts	90% <0%> (-2.86%)	⬇️
... and 26 more

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[ericsnowcurrently]

LGTM