Remove useless code/comments

src/mem/paging/vmm.c

@@ -55,9 +55,9 @@ void* vmm_alloc(size_t length, size_t flags)
     // the next page so its coherent with the PMM
     size_t len = ALIGN_UP(length, PAGE_SIZE);
 
-    // Some linked list shenanigans will be here
-    // but for now we'd need some kheap to kmalloc the linked list items
-    // else we can't do it
+    // Need to implement this (as linked list)
+    // but for now kernel heap is sufficient
+    // The VMM will prob be more useful when we have userspace
 }
 
 void vmm_init()