fix(signin): align check-in feedback with reference theme

inc/helpers/user-center-renderers/profile-header.php

@@ -85,7 +85,6 @@ extract($context, EXTR_SKIP); // phpcs:ignore WordPress.PHP.DontExtract.extract_
 				type="button"
 				class="btn btn-sm uc-header__signin-btn"
 				data-signin-btn
-				data-signin-idle-label="<?php esc_attr_e('签到', 'aksrt'); ?>"
 				data-signin-done-label="<?php esc_attr_e('已签到', 'aksrt'); ?>"
 			>
 				<i class="fa fas fa-calendar-check" aria-hidden="true"></i>