[3.13] gh-114713: Revert gh-114731 (GH-133330) (#133331)

gh-114713: Revert gh-114731 (GH-133330)

Revert "gh-114713: Handle case of an empty string passed to `zoneinfo.ZoneInfo` (GH-114731)"

This reverts commit 884df116d79b05d9342e05e50484d61c684ecb8b.
(cherry picked from commit fe44fc4f4351bb4b457c01d94b4ae8b9eda501aa)

Co-authored-by: Kirill Podoprigora <kirill.bast9@mail.ru>