add_action( 'bp_init', function() {
global $bp;
bp_core_remove_subnav_item( 'course', 'notes_reviews' );
});
add the code in wplms-customizer plugin>>wplms-customizer.php
before: 
after: 
the same way you can disable profile image uploads
add_action( 'bp_init', function() {
global $bp;
bp_core_remove_subnav_item( 'profile', 'change-avatar' );
});
Not working
in version4 you can hide it. post on support section please