Remove generic type annotations

Cf. <php@de69a9d#r35675846>.

Author: cmb69

ext/calendar/calendar.stub.php

@@ -3,7 +3,7 @@
 /** @return int|false */
 function cal_days_in_month(int $calendar, int $month, int $year) {}
 
-/** @return array<string, array<int, string>&int&string>|false */
+/** @return array|false */
 function cal_from_jd(int $jd, int $calendar) {}
 
 /** @return array|false */

ext/curl/curl.stub.php

@@ -109,7 +109,7 @@ function curl_reset($handle): void {}
 
 /**
  * @param resource $handle
- * @param array<int, mixed> $options
+ * @param array $options
  */
 function curl_setopt_array($handle, array $options): bool {}