Hide updates notifications in dashboard

add_action('admin_head', 'hide_updates');

function hide_updates() {
	if(get_current_user_id()!=1){
  echo '<style>
	span.update-plugins{display:none!important;}
	tr.plugin-update-tr.active {display:none!important}
	.wrap .notice.notice-error {    display: none!important;}
  </style>';
	}
}