refactor: remove `Posting Date` and `Posting Time` columns from SRE
diff --git a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.json b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.json
index a170c4b..7c7abac 100644
--- a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.json
+++ b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.json
@@ -10,8 +10,6 @@
  "field_order": [
   "item_code",
   "warehouse",
-  "posting_date",
-  "posting_time",
   "column_break_elik",
   "voucher_type",
   "voucher_no",
@@ -62,29 +60,6 @@
    "width": "100px"
   },
   {
-   "fieldname": "posting_date",
-   "fieldtype": "Date",
-   "in_filter": 1,
-   "in_list_view": 1,
-   "label": "Posting Date",
-   "oldfieldname": "posting_date",
-   "oldfieldtype": "Date",
-   "print_width": "100px",
-   "read_only": 1,
-   "search_index": 1,
-   "width": "100px"
-  },
-  {
-   "fieldname": "posting_time",
-   "fieldtype": "Time",
-   "label": "Posting Time",
-   "oldfieldname": "posting_time",
-   "oldfieldtype": "Time",
-   "print_width": "100px",
-   "read_only": 1,
-   "width": "100px"
-  },
-  {
    "fieldname": "voucher_type",
    "fieldtype": "Select",
    "in_filter": 1,
@@ -231,7 +206,7 @@
  "index_web_pages_for_search": 1,
  "is_submittable": 1,
  "links": [],
- "modified": "2023-03-29 18:24:18.332719",
+ "modified": "2023-03-29 18:36:26.752872",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Stock Reservation Entry",
diff --git a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.py b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.py
index b79e810..efe9979 100644
--- a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.py
+++ b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.py
@@ -3,16 +3,14 @@
 
 import frappe
 from frappe import _
+from frappe.model.document import Document
 from frappe.query_builder.functions import Sum
 
-from erpnext.utilities.transaction_base import TransactionBase
 
-
-class StockReservationEntry(TransactionBase):
+class StockReservationEntry(Document):
 	def validate(self) -> None:
 		from erpnext.stock.utils import validate_disabled_warehouse, validate_warehouse_company
 
-		self.validate_posting_time()
 		self.validate_mandatory()
 		validate_disabled_warehouse(self.warehouse)
 		validate_warehouse_company(self.warehouse, self.company)
@@ -29,8 +27,6 @@
 		mandatory = [
 			"item_code",
 			"warehouse",
-			"posting_date",
-			"posting_time",
 			"voucher_type",
 			"voucher_no",
 			"voucher_detail_no",