update azure contrib to use azure cli 2.0

contrib/azurerm/apply-rg.sh

contrib/azurerm/apply-rg_2.sh

contrib/azurerm/clear-rg.sh

contrib/azurerm/clear-rg_2.sh

contrib/azurerm/generate-inventory.sh

contrib/azurerm/generate-inventory_2.yml

contrib/azurerm/roles/generate-inventory/tasks/main.yml

contrib/azurerm/roles/generate-inventory_2/tasks/main.yml

...azurerm/roles/generate-inventory_2/templates/inventory.j2