Revert "Add JVM argument to disable signal handling to prevent instant termination of Minecraft processes"

This reverts commit e699513036.

Agent/Phantom.Agent.Minecraft/Java/JvmArgumentBuilder.cs

@@ -26,6 +26,5 @@ sealed class JvmArgumentBuilder {
 		// In case of duplicate JVM arguments, typically the last one wins.
 		target.Add("-Xms" + basicProperties.InitialHeapMegabytes + "M");
 		target.Add("-Xmx" + basicProperties.MaximumHeapMegabytes + "M");
-		target.Add("-Xrs");
 	}
 }