refactor: remove old hello.elf userspace program

kernel/src/Api/BuildNo.hpp

@@ -12,4 +12,4 @@
 
 #pragma once
 
-#define MONTAUK_BUILD_NUMBER 88
+#define MONTAUK_BUILD_NUMBER 89

programs/src/hello/main.cpp

@@ -1,18 +0,0 @@
-/*
-    * main.cpp
-    * Hello world program for MontaukOS
-    * Copyright (c) 2025 Daniel Hammer
-*/
-
-#include <montauk/syscall.h>
-
-extern "C" void _start() {
-
-
-    montauk::print("Hello from userspace!\n");
-
-    // while(true) {
-    //     montauk::print("ab");
-    // }
-
-}