Update employee.json (#20057)

unnecessary description. Should be added by customer manually if needed individually.

erpnext/hr/doctype/employee/employee.json

@@ -232,7 +232,6 @@
    "reqd": 1
   },
   {
-   "description": "You can enter any date manually",
    "fieldname": "date_of_birth",
    "fieldtype": "Date",
    "label": "Date of Birth",
@@ -831,4 +830,4 @@
  "sort_order": "DESC",
  "title_field": "employee_name",
  "track_changes": 1
-}
+}