Revert "foris: add patch to store three-level time zones"

This reverts commit a925f246.

cznic/foris/foris/patches/0001-time-fix-storing-of-three-level-names-timezones.patch

-From 874348e484961f31427cbb47deb83d804603fe41 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Martin=20Mat=C4=9Bjek?= <martin.matejek@nic.cz>
-Date: Mon, 6 Jan 2020 16:22:25 +0100
-Subject: [PATCH] time: fix storing of three-level names timezones
-
-Fix storing of three-level names time zones such as America/Indiana/Indianapolis
----
- foris/config_handlers/misc.py | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/foris/config_handlers/misc.py b/foris/config_handlers/misc.py
-index f37f544..c062c3c 100644
---- a/foris/config_handlers/misc.py
-+++ b/foris/config_handlers/misc.py
-@@ -320,7 +320,7 @@ class UnifiedTimeHandler(BaseConfigHandler):
-         )
- 
-         def region_form_cb(data):
--            region, city = data["zonename"].split("/")
-+            region, city = data["zonename"].split("/", maxsplit=1)
-             msg = {
-                 "city": city,
-                 "country": data["country"],
--- 
-2.25.1
-