[starnix][fs] Remove obsolete TODO

Bug: 319240806
Change-Id: Ib4b2a97e9ae06abcc961be53483ff136126ffaae
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1134332
Reviewed-by: James Robinson <jamesr@google.com>
Commit-Queue: Wez <wez@google.com>
diff --git a/src/starnix/kernel/vfs/memory_file.rs b/src/starnix/kernel/vfs/memory_file.rs
index 3512178..72f1f18 100644
--- a/src/starnix/kernel/vfs/memory_file.rs
+++ b/src/starnix/kernel/vfs/memory_file.rs
@@ -72,7 +72,6 @@
         }
 
         // Produce a VMO handle with rights reduced to those requested in |flags|.
-        // TODO(b/319240806): Accumulate required rights, rather than starting from `DEFAULT`.
         let mut desired_rights = zx::Rights::VMO_DEFAULT | zx::Rights::RESIZE;
         if !flags.can_read() {
             desired_rights.remove(zx::Rights::READ);