8255595: delay_to_keep_mmu passes wrong arguments to Monitor wait

Remove improper wait argument.

Reviewed-by: sjohanss, tschatzl, ayang

src/hotspot/share/gc/g1/g1ConcurrentMarkThread.cpp

@@ -108,7 +108,7 @@ void G1ConcurrentMarkThread::delay_to_keep_mmu(bool remark) {
       jlong sleep_time_ms = ceil(sleep_time_sec * MILLIUNITS);
       if (sleep_time_ms <= 0) {
         break;                  // Passed end time.
-      } else if (ml.wait(sleep_time_ms, Monitor::_no_safepoint_check_flag)) {
+      } else if (ml.wait(sleep_time_ms)) {
         break;                  // Timeout => reached end time.
       }
       // Other (possibly spurious) wakeup.  Retry with updated sleep time.