Kernel: Introduce skeleton Process class to hold process data

src/core/hle/kernel/kernel.cpp

@@ -10,6 +10,7 @@
 #include "core/arm/arm_interface.h"
 #include "core/core.h"
 #include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/process.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/kernel/timer.h"
 
@@ -149,18 +150,7 @@ void Shutdown() {
     Kernel::ThreadingShutdown();
     Kernel::TimersShutdown();
     g_handle_table.Clear(); // Free all kernel objects
-}
-
-/**
- * Loads executable stored at specified address
- * @entry_point Entry point in memory of loaded executable
- * @return True on success, otherwise false
- */
-bool LoadExec(u32 entry_point) {
-    // 0x30 is the typical main thread priority I've seen used so far
-    g_main_thread = Kernel::SetupMainThread(Kernel::DEFAULT_STACK_SIZE, entry_point, THREADPRIO_DEFAULT);
-
-    return true;
+    g_current_process = nullptr;
 }
 
 } // namespace