Remove bad server.scheduleOnMain disconnect calls from old patches

The new behavior of disconnect to block the current thread until the disconnect succeeded is better than throwing it off to happen at some point

patches/server/0816-Use-array-for-gamerule-storage.patch

@@ -0,0 +1,63 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Paul Sauve <paul@technove.co>
+Date: Sun, 9 May 2021 16:49:49 -0500
+Subject: [PATCH] Use array for gamerule storage
+
+
+diff --git a/src/main/java/net/minecraft/world/level/GameRules.java b/src/main/java/net/minecraft/world/level/GameRules.java
+index 51e560d7856f230c5aa2dc32706c3a4996720aa5..89e327bc3a45879fe68887c7aadb077f31a770eb 100644
+--- a/src/main/java/net/minecraft/world/level/GameRules.java
++++ b/src/main/java/net/minecraft/world/level/GameRules.java
+@@ -122,6 +122,7 @@ public class GameRules {
+         worldserver.setDefaultSpawnPos(worldserver.getSharedSpawnPos(), worldserver.getSharedSpawnAngle());
+     }));
+     private final Map<GameRules.Key<?>, GameRules.Value<?>> rules;
++    private final GameRules.Value<?>[] gameruleArray; // Paper - Perf: Use array for gamerule storage
+ 
+     private static <T extends GameRules.Value<T>> GameRules.Key<T> register(String name, GameRules.Category category, GameRules.Type<T> type) {
+         GameRules.Key<T> gamerules_gamerulekey = new GameRules.Key<>(name, category);
+@@ -140,17 +141,30 @@ public class GameRules {
+     }
+ 
+     public GameRules() {
+-        this.rules = (Map) GameRules.GAME_RULE_TYPES.entrySet().stream().collect(ImmutableMap.toImmutableMap(Entry::getKey, (entry) -> {
++        // Paper start - Perf: Use array for gamerule storage
++        this((Map) GameRules.GAME_RULE_TYPES.entrySet().stream().collect(ImmutableMap.toImmutableMap(Entry::getKey, (entry) -> {
+             return ((GameRules.Type) entry.getValue()).createRule();
+-        }));
++        })));
++        // Paper end - Perf: Use array for gamerule storage
+     }
+ 
+     private GameRules(Map<GameRules.Key<?>, GameRules.Value<?>> rules) {
+         this.rules = rules;
++
++        // Paper start - Perf: Use array for gamerule storage
++        int arraySize = rules.keySet().stream().mapToInt(key -> key.gameRuleIndex).max().orElse(-1) + 1;
++        GameRules.Value<?>[] values = new GameRules.Value[arraySize];
++
++        for (Entry<GameRules.Key<?>, GameRules.Value<?>> entry : rules.entrySet()) {
++            values[entry.getKey().gameRuleIndex] = entry.getValue();
++        }
++
++        this.gameruleArray = values;
++        // Paper end - Perf: Use array for gamerule storage
+     }
+ 
+     public <T extends GameRules.Value<T>> T getRule(GameRules.Key<T> key) {
+-        return (T) this.rules.get(key); // CraftBukkit - decompile error
++        return key == null ? null : (T) this.gameruleArray[key.gameRuleIndex]; // Paper - Perf: Use array for gamerule storage
+     }
+ 
+     public CompoundTag createTag() {
+@@ -209,6 +223,10 @@ public class GameRules {
+     }
+ 
+     public static final class Key<T extends GameRules.Value<T>> {
++        // Paper start - Perf: Use array for gamerule storage
++        private static int lastGameRuleIndex = 0;
++        public final int gameRuleIndex = lastGameRuleIndex++;
++        // Paper end - Perf: Use array for gamerule storage
+ 
+         final String id;
+         private final GameRules.Category category;