Merge pull request #4970 from nabinhait/fix77

[fix] delete company transactions
diff --git a/erpnext/setup/doctype/company/delete_company_transactions.py b/erpnext/setup/doctype/company/delete_company_transactions.py
index d32e14f..b07a794 100644
--- a/erpnext/setup/doctype/company/delete_company_transactions.py
+++ b/erpnext/setup/doctype/company/delete_company_transactions.py
@@ -27,10 +27,6 @@
 			"Purchase Taxes and Charges Template", "POS Profile", 'BOM'):
 				delete_for_doctype(doctype, company_name)
 
-		else:
-			# un-set company
-			frappe.db.sql('update `tab{0}` set company="" where company=%s'.format(doctype), company_name)
-
 	# Clear notification counts
 	clear_notifications()