remove doc hacks that are no longer needed

These were causing `go vet` to fail.

Author: benlemasurier

hypervisor/example_test.go

@@ -23,10 +23,6 @@ import (
 	"github.com/digitalocean/go-qemu/qmp/qmptest"
 )
 
-// ExampleStub exists to prevent godoc from treating this as a "whole-file"
-// example, and showing the code for the unexported types.
-func ExampleStub() {}
-
 func ExampleNew() {
 	// Create a hypervisor.Hypervisor using an in-memory hypervisor.Driver,
 	// that returns a fixed list of three domains.

qemu/example_test.go

@@ -23,10 +23,6 @@ import (
 	"github.com/digitalocean/go-qemu/qmp/qmptest"
 )
 
-// ExampleStub exists to prevent godoc from treating this as a "whole-file"
-// example, and showing the code for the unexported exampleMonitor type.
-func ExampleStub() {}
-
 // This example demonstrates how to use qemu.NewDomain with a qmp.Monitor to
 // perform actions on a Domain.
 //