fix: revert "fix: missing link in dashboard missing on SI from DN" (#27832)

diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice_dashboard.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice_dashboard.py
index 2956cdc..64b35b2 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice_dashboard.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice_dashboard.py
@@ -7,6 +7,7 @@
 	return {
 		'fieldname': 'sales_invoice',
 		'non_standard_fieldnames': {
+			'Delivery Note': 'against_sales_invoice',
 			'Journal Entry': 'reference_name',
 			'Payment Entry': 'reference_name',
 			'Payment Request': 'reference_name',
@@ -14,8 +15,7 @@
 			'Auto Repeat': 'reference_document',
 		},
 		'internal_links': {
-			'Sales Order': ['items', 'sales_order'],
-			'Delivery Note': ['items', 'delivery_note'],
+			'Sales Order': ['items', 'sales_order']
 		},
 		'transactions': [
 			{