Remove unused DisableAdminMode (#1000)

Co-authored-by: Andrew Petrochuk (from Dev Box) <anpetroc@microsoft.com>

Author: petrochuk

src/tasks/copy-environment/copy-environment-v2/task.json

@@ -108,15 +108,6 @@
       "helpMarkDown": "Set the friendly name of the target environment.",
       "visibleRule": "OverrideFriendlyName = true"
     },
-    {
-      "name": "DisableAdminMode",
-      "label": "Disable Admin Mode",
-      "type": "boolean",
-      "required": false,
-      "defaultValue": true,
-      "groupName": "advanced",
-      "helpMarkDown": "Specify whether to Disable the administration mode."
-    },
     {
       "name": "SkipAuditData",
       "label": "Skip Audit Data",

src/tasks/restore-environment/restore-environment-v2/task.json

@@ -102,15 +102,6 @@
       "required": false,
       "helpMarkDown": "Set the friendly name of the restore instance."
     },
-    {
-      "name": "DisableAdminMode",
-      "label": "Disable Admin Mode",
-      "type": "boolean",
-      "required": false,
-      "defaultValue": true,
-      "groupName": "advanced",
-      "helpMarkDown": "Specify whether to Disable the administration mode."
-    },
     {
       "name": "SkipAuditData",
       "label": "Skip Audit Data",