Fix Folia detection

Author: ChanceSD

pvpmanager/src/main/java/me/chancesd/pvpmanager/utils/ScheduleUtils.java

@@ -149,7 +149,7 @@ public void rejectedExecution(final Runnable r, final ThreadPoolExecutor localEx
 	public static boolean checkFolia() {
 		try {
 			Class.forName("io.papermc.paper.threadedregions.RegionizedServerInitEvent");
-			Log.debug("Method " + Bukkit.class.getDeclaredMethod("getAsyncScheduler"));
+			Class.forName("io.papermc.paper.threadedregions.RegionizedServer");
 			return true;
 		} catch (final Throwable ignored) {
 			return false;