Remove btn-group classes

Prerequisites A Moodle stable master installation for comparison. tool_lp Navigate to a user's profile and click on Learning plans . On the user's learning plans page, check the Add new learning plan button. Confirm that the button looks and is laid out the same as in stable master. Click on Evidence of prior learning to go to the list of user evidences. Check the Add new learning plan button. Confirm that the button looks and is laid out the same as in stable master. Navigate to Site administration ► Competencies ► Competency frameworks. Check the Add new competency framework button. Confirm that the button looks and is laid out the same as in stable master. Navigate to Site administration ► Competencies ► Learning plan templates. Check the Add new learning plan template button. Confirm that the button looks and is laid out the same as in stable master. mod_assign Create an assignment. Check the View all submissions and the Grade buttons. Confirm that the buttons are separated.