Kernel: Rename Kernel/VM/ to Kernel/Memory/

This directory isn't just about virtual memory, it's about all kinds
of memory management.

Kernel/Graphics/GraphicsManagement.cpp

@@ -13,9 +13,9 @@
 #include <Kernel/Graphics/VGACompatibleAdapter.h>
 #include <Kernel/Graphics/VirtIOGPU/GraphicsAdapter.h>
 #include <Kernel/IO.h>
+#include <Kernel/Memory/AnonymousVMObject.h>
 #include <Kernel/Multiboot.h>
 #include <Kernel/Sections.h>
-#include <Kernel/VM/AnonymousVMObject.h>
 
 namespace Kernel {