deposit: remove category

- Adapts JSONSchema to the new angular 17 version.
- Removes the category file subfield to be consistent with the document resource.

Co-Authored-by: Johnny Mariéthoz <[email protected]>

Author: jma

sonar/common/jsonschemas/classification-v1.0.0.json

@@ -92,9 +92,7 @@
   ],
   "widget": {
     "formlyConfig": {
-      "wrappers": [
-        "card"
-      ],
+      "type": "tree-select",
       "props": {
         "sort": false,
         "options": [
@@ -503,4 +501,4 @@
       }
     }
   }
-}
+}