Move license schemas from system to hub

License-related schemas and documentation have been moved from the system namespace to the hub namespace. The License schema now uses 'spaceId' instead of 'tenantId', and all relevant files and exports have been updated accordingly. Documentation files for system/license have been removed.

Author: hotlong

content/docs/references/system/license/Feature.mdx

@@ -7,7 +7,6 @@
     "events",
     "identity",
     "job",
-    "license",
     "organization",
     "policy",
     "role",

content/docs/references/system/license/License.mdx

@@ -4,8 +4,9 @@
     "License": {
       "type": "object",
       "properties": {
-        "tenantId": {
-          "type": "string"
+        "spaceId": {
+          "type": "string",
+          "description": "Target Space ID"
         },
         "planCode": {
           "type": "string"
@@ -45,7 +46,7 @@
         }
       },
       "required": [
-        "tenantId",
+        "spaceId",
         "planCode",
         "issuedAt",
         "status"