Read the following instruction to learn about removing Manage Application located in the drop-down menu user and deleting manage application link here

Please delete the following codes in Layouts -> heading.php:

Delete the following codes in layouts -> user-menu-collapsed.php

Delete the following codes in layouts -> user-menu.php

Note:

♣ We strongly recommend that you should make changes to these files in childtheme
♣ The order of line can change based on each updated version. Therefore, you should find the code according to keywords in files we give you.