Update to Minecraft 1.17

By: md_5 <git@md-5.net>

paper-server/nms-patches/net/minecraft/stats/ServerStatisticManager.patch

@@ -5,7 +5,7 @@
  package net.minecraft.stats;
  
  import com.google.common.collect.Maps;
-@@ -158,13 +159,12 @@
+@@ -161,13 +162,12 @@
      }
  
      private <T> Optional<Statistic<T>> a(StatisticWrapper<T> statisticwrapper, String s) {
@@ -15,9 +15,9 @@
 +        Optional<MinecraftKey> optional = Optional.ofNullable(MinecraftKey.a(s));
 +        IRegistry<T> iregistry = statisticwrapper.getRegistry();
  
--        iregistry.getClass();
+-        Objects.requireNonNull(iregistry);
 -        optional = optional.flatMap(iregistry::getOptional);
--        statisticwrapper.getClass();
+-        Objects.requireNonNull(statisticwrapper);
 -        return optional.map(statisticwrapper::b);
 +        return optional.flatMap(iregistry::getOptional).map(statisticwrapper::b);
 +        // CraftBukkit - decompile error end