Move the last bits of the settings package to the user package

app/templates/users/settings/settings.html.j2

@@ -213,7 +213,7 @@ avatarUploadElement.addEventListener('change', () => {
 });
 
 document.querySelector('#delete-avatar').addEventListener('click', () => {
-  Requests.users.entity.settings.avatar.delete({{ user.hashid|tojson }})
+  Requests.users.entity.avatar.delete({{ user.hashid|tojson }})
     .then(
       (response) => {
         avatarPreviewElement.src = {{ url_for('static', filename='images/user_avatar.png')|tojson }};