gh-111089: Revert PyUnicode_AsUTF8() changes (#111833)
* Revert "gh-111089: Use PyUnicode_AsUTF8() in Argument Clinic (#111585)"
This reverts commit
d9b606b3d04fc56fb0bcc479d7d6c14562edb5e2.
* Revert "gh-111089: Use PyUnicode_AsUTF8() in getargs.c (#111620)"
This reverts commit
cde1071b2a72e8261ca66053ef61431b7f3a81fd.
* Revert "gh-111089: PyUnicode_AsUTF8() now raises on embedded NUL (#111091)"
This reverts commit
d731579bfb9a497cfb0076cb6b221058a20088fe.
* Revert "gh-111089: Add PyUnicode_AsUTF8() to the limited C API (#111121)"
This reverts commit
d8f32be5b6a736dc2fc9dca3f1bf176c82fc9b44.
* Revert "gh-111089: Use PyUnicode_AsUTF8() in sqlite3 (#111122)"
This reverts commit
37e4e20eaa8f27ada926d49e5971fecf0477ad26.