gh-132775: Unrevert "Add _PyCode_GetVarCounts()"#133265

ericsnowcurrently merged 22 commits intopython:mainpython/cpython:mainfrom

ericsnowcurrently:unrevert-add-pycode-get-var-countsericsnowcurrently/cpython:unrevert-add-pycode-get-var-countsCopy head branch name to clipboard