Remove "Auto fix bad Y levels on player login" patch

Fixes #6357
Closes #6508
Closes #6358

patches/server/0275-Add-sun-related-API.patch

@@ -0,0 +1,40 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: BillyGalbreath <Blake.Galbreath@GMail.com>
+Date: Sun, 7 Oct 2018 00:54:21 -0500
+Subject: [PATCH] Add sun related API
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+index 5d0e56a2c8fb6f801643928f8b75e06cdff83a52..4edfe886ae753f1c9e90be2bff69483c330287ae 100644
+--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
++++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+@@ -662,6 +662,13 @@ public class CraftWorld extends CraftRegionAccessor implements World {
+         }
+     }
+ 
++    // Paper start
++    @Override
++    public boolean isDayTime() {
++        return getHandle().isDay();
++    }
++    // Paper end
++
+     @Override
+     public long getGameTime() {
+         return world.levelData.getGameTime();
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+index 140672d03dd2563d2b1fb905d79164ff53cf0b76..e0022ea4bf228eef8384f20cfc717076c5ca5c99 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+@@ -80,4 +80,11 @@ public abstract class CraftMob extends CraftLivingEntity implements Mob {
+     public long getSeed() {
+         return this.getHandle().lootTableSeed;
+     }
++
++    // Paper start
++    @Override
++    public boolean isInDaylight() {
++        return getHandle().isSunBurnTick();
++    }
++    // Paper end
+ }