Revert "add required,additionalProperties in instance-kvm-input-schema.json"

This reverts commit f4145f9f

demo/slapos/software/kvm/instance-kvm-input-schema.json

@@ -290,51 +290,5 @@
       "format": "uri",
       "default": "https://lab.nexedi.com/nexedi/slapos/raw/slapos-0.92/software/kvm/software.cfg"
     }
-  },
-  "required": [
-    "disk-size",
-    "monitor-interface-url",
-    "monitor-cors-domains",
-    "virtual-hard-drive-md5sum",
-    "disk-aio",
-    "frontend-software-url",
-    "auto-ballooning",
-    "frontend-software-type",
-    "enable-device-hotplug",
-    "nbd2-port",
-    "nbd-port",
-    "cpu-count",
-    "hard-drive-url-check-certificate",
-    "wipe-disk-iterations",
-    "nat-restrict-mode",
-    "wipe-disk-ondestroy",
-    "disk-cache",
-    "keyboard-layout-language",
-    "enable-http-server",
-    "use-nat",
-    "disk-type",
-    "authorized-key",
-    "use-tap",
-    "nat-rules",
-    "external-disk-size",
-    "cpu-max-count",
-    "httpd-port",
-    "nbd2-host",
-    "numa",
-    "ram-size",
-    "machine-options",
-    "external-disk-number",
-    "ram-hotplug-slot-size",
-    "frontend-instance-guid",
-    "ram-max-size",
-    "enable-vhost",
-    "virtual-hard-drive-url",
-    "virtual-hard-drive-gzipped",
-    "cpu-model",
-    "external-disk-format",
-    "bootstrap-script-url",
-    "data-to-vm",
-    "nbd-host"
-  ],
-  "additionalProperties": false
+  }
 }