fix: Unable to delete user via API (#3619)

Remove requirement to pass 'confirmation' to users.delete
closes #3604

app/menus/UserMenu.tsx

@@ -108,9 +108,7 @@ function UserMenu({ user }: Props) {
   const handleRevoke = React.useCallback(
     (ev: React.SyntheticEvent) => {
       ev.preventDefault();
-      users.delete(user, {
-        confirmation: true,
-      });
+      users.delete(user);
     },
     [users, user]
   );

app/stores/AuthStore.ts

@@ -200,9 +200,7 @@ export default class AuthStore {
 
   @action
   deleteUser = async () => {
-    await client.post(`/users.delete`, {
-      confirmation: true,
-    });
+    await client.post(`/users.delete`);
     runInAction("AuthStore#updateUser", () => {
       this.user = null;
       this.team = null;