exp/README: drop unverified note about MyOS

exp/README.md

@@ -55,9 +55,8 @@ into the kernel (2011).
     names (probably `.html~` backups); the CKEditor copy that came with them is not included.
   The Nov 2010 - Mar 2011 NetBeans project shell is in `ctaos/` above.
 
-- `MyOS/` (Apr-Aug 2011): small GRUB/multiboot test kernel written while
-  learning to set up an i586-elf cross toolchain, shortly before the luxOS
-  kernel proper: NASM multiboot loader, `kmain`, a VGA text console with
+- `MyOS/` (Apr-Aug 2011): small GRUB/multiboot test kernel:
+  NASM multiboot loader, `kmain`, a VGA text console with
   printf-style `ConsoleWrite`, `build.sh`, linker script and a GRUB `menu.cfg`.
   `tar-2011-04/` holds the older April versions of `main.c` and `build.sh` found
   in `MyOS.tar`. Disk images (`myos.img`), GRUB stages and `kernel.bin` are not included.