add_filter( 'rest_endpoints', function( $endpoints ){
if ( isset( $endpoints['/wp/v2/users'] ) ) {
unset( $endpoints['/wp/v2/users'] );
}
if ( isset( $endpoints['/wp/v2/users/(?P<id>[d]+)'] ) ) {
unset( $endpoints['/wp/v2/users/(?P<id>[d]+)'] );
}
return $endpoints;
});