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/0583-Add-Block-isValidTool.patch

@@ -0,0 +1,20 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Mon, 6 Jul 2020 12:44:31 -0700
+Subject: [PATCH] Add Block#isValidTool
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
+index 30b5a78a93405f3a03624ed1331670770aaa3765..974ab329f92f488aba0999cef25e3b8e7e062209 100644
+--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
++++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
+@@ -743,5 +743,9 @@ public class CraftBlock implements Block {
+         }
+         return speed;
+     }
++
++    public boolean isValidTool(ItemStack itemStack) {
++        return getDrops(itemStack).size() != 0;
++    }
+     // Paper end
+ }