Remove guardian beam render issue workaround

Messing with game time sent to the client isn't worth the trouble whenever it may be used by the client now and in the future for such a small issue. Mojang, plz fix

patches/server/0838-WorldCreator-keepSpawnLoaded.patch

@@ -0,0 +1,18 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Shane Freeder <theboyetronic@gmail.com>
+Date: Sat, 3 Jul 2021 21:18:28 +0100
+Subject: [PATCH] WorldCreator#keepSpawnLoaded
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+index 67dc0c58988a502dea300cc471cfdc311208abf5..03cffc87cfc82f1f6f96e8cfc0e37472fc50d38b 100644
+--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
++++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+@@ -1272,6 +1272,7 @@ public final class CraftServer implements Server {
+         internal.setSpawnSettings(true, true);
+         // Paper - move up
+ 
++        internal.keepSpawnInMemory = creator.keepSpawnLoaded().toBooleanOrElse(internal.getWorld().getKeepSpawnInMemory()); // Paper
+         this.getServer().prepareLevels(internal.getChunkSource().chunkMap.progressListener, internal);
+         //internal.entityManager.tick(); // SPIGOT-6526: Load pending entities so they are available to the API // Paper - rewrite chunk system
+