Remove country ISO2 workaround (API now provides ISO2 code)

Author: JerrySmidt

Helper/ApiClientHelper.php

@@ -125,9 +125,6 @@ public function getAddressDetails(string $context): array
             $response = $client->internationalGetDetails($context, $sessionId);
             $response = $this->_prepareResponse($response, $client);
 
-            // Workaround for missing ISO2 code.
-            $response['country']['iso2Code'] = $this->getCountryIso2Code($response['country']['iso3Code']);
-
             return $response;
 
         } catch (\Exception $e) {
@@ -320,29 +317,6 @@ public function getCountryIso3Code(string $iso2Code): ?string
         return $this->_countryCodeMap[$mapKey][strtoupper($iso2Code)] ?? null;
     }
 
-    /**
-     * Get country ISO2 code from ISO3 code, or NULL if not found.
-     *
-     * @access public
-     * @param string $iso2Code
-     * @return string|null Lowercase ISO3 country code or NULL.
-     */
-    public function getCountryIso2Code(string $iso3Code): ?string
-    {
-        $mapKey = 'iso3_to_iso2';
-
-        if (!isset($this->_countryCodeMap[$mapKey])) {
-            $countries = $this->_storeConfigHelper->getSupportedCountries();
-            $this->_countryCodeMap[$mapKey] = [];
-
-            foreach ($countries as $country) {
-                $this->_countryCodeMap[$mapKey][$country->iso3] = $country->iso2;
-            }
-        }
-
-        return $this->_countryCodeMap[$mapKey][strtoupper($iso3Code)] ?? null;
-    }
-
     public function getAccountInfo(): array
     {
         try {