Revert "Merge branch 'PHP-8.3'"

This reverts commit 5455c3f, reversing
changes made to ec8e86b.

Author: devnexen

ext/intl/dateformat/dateformat_create.cpp

@@ -112,8 +112,8 @@ static zend_result datefmt_ctor(INTERNAL_FUNCTION_PARAMETERS, zend_error_handlin
 	}
 	locale = Locale::createFromName(locale_str);
 	/* get*Name accessors being set does not preclude being bogus */
-	if (locale.isBogus() || ((locale_len == 1 && locale_str[0] != 'C') && strlen(locale.getISO3Language()) == 0)) {
-        	zend_argument_value_error(1, "\"%s\" is invalid", locale_str);
+	if (locale.isBogus() || strlen(locale.getISO3Language()) == 0) {
+        zend_argument_value_error(1, "\"%s\" is invalid", locale_str);
 		return FAILURE;
 	}