[fix] #6573 Material Request Required Date auto set (#6627)

diff --git a/erpnext/stock/doctype/material_request_item/material_request_item.json b/erpnext/stock/doctype/material_request_item/material_request_item.json
index dd087c4..f7ca7d9 100644
--- a/erpnext/stock/doctype/material_request_item/material_request_item.json
+++ b/erpnext/stock/doctype/material_request_item/material_request_item.json
@@ -343,7 +343,7 @@
    "bold": 1, 
    "collapsible": 0, 
    "columns": 2, 
-   "default": "Today", 
+   "default": "", 
    "fieldname": "schedule_date", 
    "fieldtype": "Date", 
    "hidden": 0, 
@@ -705,7 +705,7 @@
  "issingle": 0, 
  "istable": 1, 
  "max_attachments": 0, 
- "modified": "2016-09-18 14:38:38.517137", 
+ "modified": "2016-10-17 04:58:33.317145", 
  "modified_by": "Administrator", 
  "module": "Stock", 
  "name": "Material Request Item",