Revert "Issue #3478408 by jaydev bhatt, quietone, goonerw: Fix errors in update-countries.sh"

This reverts commit 61dfd43e.

core/scripts/update-countries.sh

@@ -35,16 +35,6 @@
   exit('CLDR data file not found. (' . $uri . ")\n\n" . $usage . "\n");
 }
 
-// Fake the t() function used in CountryManager.php instead of attempting a full
-// Drupal bootstrap of core/includes/bootstrap.inc (where t() is declared).
-if (!function_exists('t')) {
-
-  function t($string): string {
-    return $string;
-  }
-
-}
-
 // Read in existing codes.
 // @todo Allow to remove previously existing country codes.
 // @see https://www.drupal.org/node/1436754
@@ -103,7 +93,7 @@ function t($string): string {
 foreach ($countries as $code => $name) {
   // For .po translation file's sake, use double-quotes instead of escaped
   // single-quotes.
-  $name = str_contains($name, '\'') ? '"' . $name . '"' : "'" . $name . "'";
+  $name = str_contains($name, '\'' ? '"' . $name . '"' : "'" . $name . "'");
   $out .= '      ' . var_export($code, TRUE) . ' => t(' . $name . '),' . "\n";
 }