KVM: docs: nVMX: Remove known limitations as they do not exist now

We can document other "Known Limitations" but the ones currently
referenced don't hold anymore...

Signed-off-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Documentation/virtual/kvm/nested-vmx.txt

@@ -31,17 +31,6 @@ L0, the guest hypervisor, which we call L1, and its nested guest, which we
 call L2.
 
 
-Known limitations
------------------
-
-The current code supports running Linux guests under KVM guests.
-Only 64-bit guest hypervisors are supported.
-
-Additional patches for running Windows under guest KVM, and Linux under
-guest VMware server, and support for nested EPT, are currently running in
-the lab, and will be sent as follow-on patchsets.
-
-
 Running nested VMX
 ------------------