Disable spark profiler

It's not thread-safe. The plugin instead needs to be used.

Fixes https://github.com/PaperMC/Folia/issues/254

patches/server/0018-Disable-spark-profiler.patch

@@ -0,0 +1,20 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Spottedleaf <Spottedleaf@users.noreply.github.com>
+Date: Wed, 31 Jul 2024 11:27:24 -0700
+Subject: [PATCH] Disable spark profiler
+
+It's not thread-safe. The plugin instead needs to be used.
+
+diff --git a/src/main/java/io/papermc/paper/SparksFly.java b/src/main/java/io/papermc/paper/SparksFly.java
+index c7c396a7a94c35d973eb0796f8aba6e669ed5b7c..4e8ef2aeca4d9e67e53868de720a17bf08720ea0 100644
+--- a/src/main/java/io/papermc/paper/SparksFly.java
++++ b/src/main/java/io/papermc/paper/SparksFly.java
+@@ -108,7 +108,7 @@ public final class SparksFly {
+ 
+     private void enable() {
+         if (!this.enabled) {
+-            if (GlobalConfiguration.get().spark.enabled) {
++            if (false) { // Folia - region threading
+                 this.enabled = true;
+                 this.spark.enable();
+             } else {