- Remove images azure-docker, azure-machine-learning, and hyperv.
- Closes#1141
- Revises from Hyper-V Gen 2 to Gen 1, with relative changes to settings.
- Replaces figure 3 because Gen 1 settings are different from Gen 2
- Revises image type to remove previous default `hyperv.vhdx`,
a Gen 2 image -- no longer supported.
- Respond to reviewer feedback; fix typos.
Signed-off-by: Michael Vincerra <michael.vincerra@intel.com>