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/0566-Inline-shift-direction-fields.patch

@@ -0,0 +1,55 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Andrew Steinborn <git@steinborn.me>
+Date: Mon, 18 Jan 2021 20:45:25 -0500
+Subject: [PATCH] Inline shift direction fields
+
+Removes a layer of indirection for EnumDirection.getAdjacent(X|Y|Z)(), which is in the
+critical section for much of the server, including the lighting engine.
+
+diff --git a/src/main/java/net/minecraft/core/Direction.java b/src/main/java/net/minecraft/core/Direction.java
+index f068fa6843ce5cff7625fb99e84b7102b785bd51..c1172ba542bc07e0c780a50d5b4ce26ac04c1720 100644
+--- a/src/main/java/net/minecraft/core/Direction.java
++++ b/src/main/java/net/minecraft/core/Direction.java
+@@ -61,6 +61,11 @@ public enum Direction implements StringRepresentable {
+     }, (direction1, direction2) -> {
+         throw new IllegalArgumentException("Duplicate keys");
+     }, Long2ObjectOpenHashMap::new));
++    // Paper start
++    private final int adjX;
++    private final int adjY;
++    private final int adjZ;
++    // Paper end
+ 
+     private Direction(int id, int idOpposite, int idHorizontal, String name, Direction.AxisDirection direction, Direction.Axis axis, Vec3i vector) {
+         this.data3d = id;
+@@ -70,6 +75,11 @@ public enum Direction implements StringRepresentable {
+         this.axis = axis;
+         this.axisDirection = direction;
+         this.normal = vector;
++        // Paper start
++        this.adjX = vector.getX();
++        this.adjY = vector.getY();
++        this.adjZ = vector.getZ();
++        // Paper end
+     }
+ 
+     public static Direction[] orderedByNearest(Entity entity) {
+@@ -357,15 +367,15 @@ public enum Direction implements StringRepresentable {
+     }
+ 
+     public int getStepX() {
+-        return this.normal.getX();
++        return this.adjX; // Paper
+     }
+ 
+     public int getStepY() {
+-        return this.normal.getY();
++        return this.adjY; // Paper
+     }
+ 
+     public int getStepZ() {
+-        return this.normal.getZ();
++        return this.adjZ; // Paper
+     }
+ 
+     public Vector3f step() {