Deletions don't actually take place on the front end because the data resides on the server. When you you delete your entry from the front end, you trigger an Ajax call that triggers a function on the back end to delete the entry. You can use the frm_after_destroy_entry hook to run a custom PHP function to redirect tour user to the home page. https://formidableforms.com/knowledgebase/frm_after_destroy_entry/