Dynamic RECENT_YEARS_START based on current year - 15

While this will probably break CI every start of the year
the likely alternative is forgetting about it for years.

Author: marcospri

tztrout/data.py

@@ -166,7 +166,8 @@ class TroutData:
     # We don't care about the historic data - we just want to know the recent
     # state of time zones, zip codes, etc. RECENT_YEARS_START describes how
     # far back we should go to check for DST changes, timezone names, etc.
-    RECENT_YEARS_START = 2010
+    RECENT_YEARS = 15
+    RECENT_YEARS_START = datetime.datetime.now().year - RECENT_YEARS
 
     # Sometimes we need to go back a few steps to figure out DSTs, timezone
     # names, etc. This is a kwargs dict that is passed to datetime.timedelta

tztrout/data/offset_to_tz_ids.json

@@ -494,7 +494,6 @@
     "Asia/Nicosia",
     "Asia/Qatar",
     "Asia/Riyadh",
-    "Asia/Tbilisi",
     "Europe/Astrakhan",
     "Europe/Athens",
     "Europe/Bucharest",
@@ -555,7 +554,6 @@
     "Asia/Ashgabat",
     "Asia/Atyrau",
     "Asia/Baku",
-    "Asia/Bishkek",
     "Asia/Dushanbe",
     "Asia/Karachi",
     "Asia/Oral",

tztrout/data/tz_name_to_tz_ids.json

@@ -507,7 +507,6 @@
     "Europe/Kaliningrad",
     "Europe/Kyiv",
     "Europe/Mariehamn",
-    "Europe/Minsk",
     "Europe/Riga",
     "Europe/Simferopol",
     "Europe/Sofia",