PUBAPI-883: correct ResizeMachine docs to say resize is not supported for KVM
PUBAPI-883: correct ResizeMachine docs to say resize is not supported for KVM

KrisShannon/sdc-cloudapi,joyent/sdc-cloudapi,arekinath/sdc-cloudapi,misterbisson/sdc-cloudapi,arekinath/sdc-cloudapi,misterbisson/sdc-cloudapi,KrisShannon/sdc-cloudapi,joyent/sdc-cloudapi