fix: perf issue while submitting stock entry (#39634)

diff --git a/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py b/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py
index dd68d16..65c08c1 100644
--- a/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py
+++ b/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py
@@ -1675,9 +1675,10 @@
 		make_stock_entry(
 			purpose="Material Receipt",
 			item_code=item.name,
-			qty=15,
+			qty=20,
 			company=company,
 			to_warehouse=from_warehouse,
+			posting_date=add_days(today(), -3),
 		)
 
 		# Step 3: Create Delivery Note with Internal Customer
@@ -1700,6 +1701,8 @@
 		from erpnext.stock.doctype.delivery_note.delivery_note import make_inter_company_purchase_receipt
 
 		pr = make_inter_company_purchase_receipt(dn.name)
+		pr.set_posting_time = 1
+		pr.posting_date = today()
 		pr.items[0].qty = 15
 		pr.items[0].from_warehouse = target_warehouse
 		pr.items[0].warehouse = to_warehouse
@@ -1718,6 +1721,7 @@
 			company=company,
 			from_warehouse=from_warehouse,
 			to_warehouse=target_warehouse,
+			posting_date=add_days(pr.posting_date, -1),
 		)
 
 		pr.reload()
diff --git a/erpnext/stock/doctype/stock_entry/stock_entry.py b/erpnext/stock/doctype/stock_entry/stock_entry.py
index c371b70..faccfa3 100644
--- a/erpnext/stock/doctype/stock_entry/stock_entry.py
+++ b/erpnext/stock/doctype/stock_entry/stock_entry.py
@@ -228,7 +228,6 @@
 			self.fg_completed_qty = 0.0
 
 		self.validate_serialized_batch()
-		self.set_actual_qty()
 		self.calculate_rate_and_amount()
 		self.validate_putaway_capacity()