Fix: create KB initial embedding. (#10751)

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

api/apps/kb_app.py

@@ -70,7 +70,7 @@ def create():
         e, t = TenantService.get_by_id(current_user.id)
         if not e:
             return get_data_error_result(message="Tenant not found.")
-        req["embd_id"] = t.embd_id
+
         req["parser_config"] = {
             "layout_recognize": "DeepDOC",
             "chunk_token_num": 512,