Invert the primary_zones map

Author: kipcole9

lib/cldr/config/config.ex

@@ -1611,15 +1611,15 @@ defmodule Cldr.Config do
   end
 
   @doc """
-  Return the primary zones for a territories.
+  Return the primary zones for territories.
 
   """
   @primary_zone_file "primary_zones.json"
   def primary_zones do
     Path.join(cldr_data_dir(), @primary_zone_file)
     |> File.read!()
     |> json_library().decode!()
-    |> Cldr.Map.atomize_keys()
+    |> Cldr.Map.atomize_values()
   end
 
   @doc """

lib/cldr/timezone.ex

@@ -66,12 +66,6 @@ defmodule Cldr.Timezone do
   Returns a mapping of territories to
   their known IANA timezone names.
 
-  The results are estimates, not definitive. While
-  the short zone names often start with an ISO 3166-2
-  territory code, this is not guaranteed. And the
-  code is not guaranteed to be specific to that
-  territory.
-
   """
   @dialyzer {:nowarn_function, timezones_by_territory: 0}
   def timezones_by_territory do

mix/support/consolidate.ex

@@ -604,6 +604,8 @@ defmodule Cldr.Consolidate do
     primary_zone_data
     |> get_in(["supplemental", "primaryZones"])
     |> Cldr.Map.atomize_keys()
+    |> Enum.map(fn {k, v} -> {v, k} end)
+    |> Map.new()
     |> save_file(primary_zones_path)
 
     assert_package_file_configured!(primary_zones_path)

priv/cldr/primary_zones.json

@@ -1 +1 @@
-{"MH":"Pacific/Majuro","NZ":"Pacific/Auckland","CL":"America/Santiago","DE":"Europe/Berlin","ES":"Europe/Madrid","MY":"Asia/Kuala_Lumpur","PT":"Europe/Lisbon","CN":"Asia/Shanghai","EC":"America/Guayaquil","UA":"Europe/Kiev","UZ":"Asia/Tashkent"}
+{"America/Guayaquil":"EC","America/Santiago":"CL","Asia/Kuala_Lumpur":"MY","Asia/Shanghai":"CN","Asia/Tashkent":"UZ","Europe/Berlin":"DE","Europe/Kiev":"UA","Europe/Lisbon":"PT","Europe/Madrid":"ES","Pacific/Auckland":"NZ","Pacific/Majuro":"MH"}