Updated Upstream (Bukkit/CraftBukkit/Spigot) (#5904)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
70d24eb8 SPIGOT-6587: Update documentation/error of drop chance API

CraftBukkit Changes:
470050ad SPIGOT-6587: Update documentation/error of drop chance API
1c39efa3 Fix Inventory#getViewers on the player inventory not returning the player first time their inventory is opened
d161627d Fix PrepareItemCraftEvent#isRepair
aa1fae73 SPIGOT-6586: EntityChangeBlockEvent for falling block does not cancel properly
8a04072e SPIGOT-6583: Throwing eggs doesn't make sounds

Spigot Changes:
f773da84 Remove redundant patch
cd367234 Rebuild patches

patches/server/0247-Use-ConcurrentHashMap-in-JsonList.patch

@@ -23,10 +23,10 @@ Modified isEmpty to use the isEmpty() method instead of the slightly confusing s
 The point of this is readability, but does have a side-benefit of a small microptimization
 
 diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
-index 7c5a75fb34640bb4e7ef839412dbb30b0d0fc8e8..b62aa9f934c33b4d22b985b5e56937baa8454677 100644
+index a68e342112002782560268350b88f617b9bf86e1..4d2af64c5f084a7f1e5bb01e9d005b031c3731f6 100644
 --- a/src/main/java/net/minecraft/server/players/PlayerList.java
 +++ b/src/main/java/net/minecraft/server/players/PlayerList.java
-@@ -610,7 +610,7 @@ public abstract class PlayerList {
+@@ -616,7 +616,7 @@ public abstract class PlayerList {
          } else if (!this.isWhitelisted(gameprofile, event)) { // Paper
              //chatmessage = new ChatMessage("multiplayer.disconnect.not_whitelisted"); // Paper
              //event.disallow(PlayerLoginEvent.Result.KICK_WHITELIST, org.spigotmc.SpigotConfig.whitelistMessage); // Spigot // Paper - moved to isWhitelisted