Skillet editor leaves artifacts in resulting skillet yaml

[nembery]

the following skillet should have the outputs, depends, and output_type all removed as they are null

name: saltstack-panorama-event-trigger
label: Configures Panorama to trigger events in Saltstack
description: Sets up a log forwarding profile to send events to Saltstack
type: panos
labels:
  collection: Example Skillets
variables:
- name: salt_ip
  type_hint: ip_address
  description: Saltstack API IP
  default: 10.10.10.10
- name: salt_port
  type_hint: number
  description: Salt API Port
  default: '8000'
snippets:
- name: panorama-930241
  xpath: /config/panorama
  element: "<log-settings>\n      <http>\n        <entry name=\"device_connected_profile\"\
    >\n          <server>\n            <entry name=\"saltstack\">\n              <address>{{\
    \ salt_ip }}</address>\n              <http-method>POST</http-method>\n      \
    \        <protocol>HTTP</protocol>\n              <tls-version>1.2</tls-version>\n\
    \              <port>{{ salt_port }}</port>\n              <certificate-profile>None</certificate-profile>\n\
    \            </entry>\n          </server>\n          <format>\n            <system>\n\
    \              <headers>\n                <entry name=\"Content-Type\">\n    \
    \              <value>application/json</value>\n                </entry>\n   \
    \           </headers>\n              <name>device-connected-payload</name>\n\
    \              <url-format>/hook/example/device-connected</url-format>\n     \
    \         <payload>{\n     \"device_name\": \"$device_name\",\n     \"serial\"\
    : \"$serial\",\n     \"description\": \"$opaque\"\n}</payload>\n            </system>\n\
    \          </format>\n        </entry>\n      </http>\n    </log-settings>"
  full_xpath: ./panorama
  cmd: set
  output_type: null
  outputs: []
depends: []