HI,
I am providing you custom code to remove buddypress subnavs.You can use this custom code in wplms-customizer.php. then refresh navigation button from vibebp>>settings>>buddypress.
add_action('bp_setup_nav', 'remove_profile_menu_tabs', 201);
function remove_profile_menu_tabs(){
global $bp;
bp_core_remove_subnav_item( 'activity', 'mentions' );
bp_core_remove_subnav_item( 'activity', 'favorites' );
bp_core_remove_subnav_item( 'activity', 'friends' );
}
You can get the plugin from here
https://wplms.io/support/knowledge-base/wplms-customizer-plugin/