fix(item): Remove Hub Category field (#15331)

diff --git a/erpnext/stock/doctype/item/item.json b/erpnext/stock/doctype/item/item.json
index 747ed61..4a7d72e 100644
--- a/erpnext/stock/doctype/item/item.json
+++ b/erpnext/stock/doctype/item/item.json
@@ -3457,38 +3457,6 @@
    "bold": 0,
    "collapsible": 0,
    "columns": 0,
-   "fieldname": "hub_category_to_publish",
-   "fieldtype": "Link",
-   "hidden": 0,
-   "ignore_user_permissions": 0,
-   "ignore_xss_filter": 0,
-   "in_filter": 0,
-   "in_global_search": 0,
-   "in_list_view": 0,
-   "in_standard_filter": 0,
-   "label": "Hub Category to Publish",
-   "length": 0,
-   "no_copy": 0,
-   "options": "Hub Category",
-   "permlevel": 0,
-   "precision": "",
-   "print_hide": 0,
-   "print_hide_if_no_value": 0,
-   "read_only": 0,
-   "remember_last_selected_value": 0,
-   "report_hide": 0,
-   "reqd": 0,
-   "search_index": 0,
-   "set_only_once": 0,
-   "translatable": 0,
-   "unique": 0
-  },
-  {
-   "allow_bulk_edit": 0,
-   "allow_on_submit": 0,
-   "bold": 0,
-   "collapsible": 0,
-   "columns": 0,
    "description": "Publish \"In Stock\" or \"Not in Stock\" on Hub based on stock available in this warehouse.",
    "fieldname": "hub_warehouse",
    "fieldtype": "Link",
@@ -3561,7 +3529,7 @@
  "issingle": 0,
  "istable": 0,
  "max_attachments": 1,
- "modified": "2018-04-11 12:21:48.715529",
+ "modified": "2018-09-06 14:45:48.715529",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Item",