fix(rename_bank_reconcilliation): do not delete doc after renaming (#22013)

diff --git a/erpnext/patches/v12_0/rename_bank_reconciliation.py b/erpnext/patches/v12_0/rename_bank_reconciliation.py
index eda47a9..2efa854 100644
--- a/erpnext/patches/v12_0/rename_bank_reconciliation.py
+++ b/erpnext/patches/v12_0/rename_bank_reconciliation.py
@@ -8,9 +8,6 @@
 	if frappe.db.table_exists("Bank Reconciliation"):
 		frappe.rename_doc('DocType', 'Bank Reconciliation', 'Bank Clearance', force=True)
 		frappe.reload_doc('Accounts', 'doctype', 'Bank Clearance')
-		
+
 		frappe.rename_doc('DocType', 'Bank Reconciliation Detail', 'Bank Clearance Detail', force=True)
 		frappe.reload_doc('Accounts', 'doctype', 'Bank Clearance Detail')
-		
-		frappe.delete_doc("DocType", "Bank Reconciliation")
-		frappe.delete_doc("DocType", "Bank Reconciliation Detail")