doc: update IO/MMIO HLD
remove unexisted APIs.
@@ -1108,17 +1108,10 @@ APIs to register its IO/MMIO range:
- register an I/O emulation handler for a hypervisor emulated device
by specific I/O range
- * - free_io_emulation_resource
- - free all I/O emulation resources for a VM
-
* - register_mmio_emulation_handler
- register a MMIO emulation handler for a hypervisor emulated device
by specific MMIO range
- * - unregister_mmio_emulation_handler
- - unregister a MMIO emulation handler for a hypervisor emulated device
- by specific MMIO range
-
.. _instruction-emulation:
Instruction Emulation
