[Minor]Removed alert=true from frappe.throw (#11904)

diff --git a/erpnext/stock/doctype/stock_entry/stock_entry.py b/erpnext/stock/doctype/stock_entry/stock_entry.py
index a7e958b..4e87011 100644
--- a/erpnext/stock/doctype/stock_entry/stock_entry.py
+++ b/erpnext/stock/doctype/stock_entry/stock_entry.py
@@ -934,7 +934,7 @@
 @frappe.whitelist()
 def validate_sample_quantity(item_code, sample_quantity, qty, batch_no = None):
 	if cint(qty) < cint(sample_quantity):
-		frappe.throw(_("Sample quantity {0} cannot be more than received quantity {1}").format(sample_quantity, qty), alert=True)
+		frappe.throw(_("Sample quantity {0} cannot be more than received quantity {1}").format(sample_quantity, qty))
 	retention_warehouse = frappe.db.get_single_value('Stock Settings', 'sample_retention_warehouse')
 	retainted_qty = 0
 	if batch_no: