Remove KeyedObject interface (#7680)

patches/server/0036-Disable-ice-and-snow.patch

@@ -0,0 +1,33 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Sudzzy <originmc@outlook.com>
+Date: Wed, 2 Mar 2016 14:57:24 -0600
+Subject: [PATCH] Disable ice and snow
+
+
+diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+index 1a9b4b08ea906adbfa25c3963a4634871d7ca2f6..ceb1602afb90fc0a23d6cc8d22fc85fab3b8da14 100644
+--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
++++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+@@ -217,4 +217,9 @@ public class PaperWorldConfig {
+     private void disableThunder() {
+         disableThunder = getBoolean("disable-thunder", false);
+     }
++
++    public boolean disableIceAndSnow;
++    private void disableIceAndSnow(){
++        disableIceAndSnow = getBoolean("disable-ice-and-snow", false);
++    }
+ }
+diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
+index 9383ba7a6bc91fa73a235e3d94de8a5332ba2924..e330fc198705ff2a4d8503f8710e6424afc9fbbf 100644
+--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
++++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
+@@ -585,7 +585,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+         }
+ 
+         gameprofilerfiller.popPush("iceandsnow");
+-        if (this.random.nextInt(16) == 0) {
++        if (!this.paperConfig.disableIceAndSnow && this.random.nextInt(16) == 0) { // Paper - Disable ice and snow
+             blockposition = this.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING, this.getBlockRandomPos(j, 0, k, 15));
+             BlockPos blockposition1 = blockposition.below();
+             Biome biomebase = (Biome) this.getBiome(blockposition).value();